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Finding the Fourth Proportional to 6,392.25, 9,588.38 and 1,775.25

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Solution

The fourth proportional to 6,392.25, 9,588.38 and 1,775.25 is: 2,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.25 : 9,588.38 = 1,775.25 : x
  2. Step 2: Convert to fraction form
    6,392.25/9,588.38 = 1,775.25/x
  3. Step 3: Cross multiply
    6,392.25x = 9,588.38 × 1,775.25
  4. Step 4: Simplify right side
    6,392.25x = 17,021,762.72
  5. Step 5: Solve for x
    x = 17,021,762.72/6,392.25
  6. Step 6: Final answer
    x = 2,662.88

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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.