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Finding the Fourth Proportional to 6,561,036.79, 9,841,555.18 and 6,561,036.79

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Solution

The fourth proportional to 6,561,036.79, 9,841,555.18 and 6,561,036.79 is: 9,841,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,036.79 : 9,841,555.18 = 6,561,036.79 : x
  2. Step 2: Convert to fraction form
    6,561,036.79/9,841,555.18 = 6,561,036.79/x
  3. Step 3: Cross multiply
    6,561,036.79x = 9,841,555.18 × 6,561,036.79
  4. Step 4: Simplify right side
    6,561,036.79x = 64,570,805,590,392.48
  5. Step 5: Solve for x
    x = 64,570,805,590,392.48/6,561,036.79
  6. Step 6: Final answer
    x = 9,841,555.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.