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Finding the Fourth Proportional to 6,561,668.16, 9,843,017.04 and 1,769,284.80

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Solution

The fourth proportional to 6,561,668.16, 9,843,017.04 and 1,769,284.80 is: 2,654,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,668.16 : 9,843,017.04 = 1,769,284.80 : x
  2. Step 2: Convert to fraction form
    6,561,668.16/9,843,017.04 = 1,769,284.80/x
  3. Step 3: Cross multiply
    6,561,668.16x = 9,843,017.04 × 1,769,284.80
  4. Step 4: Simplify right side
    6,561,668.16x = 17,415,100,435,012.99
  5. Step 5: Solve for x
    x = 17,415,100,435,012.99/6,561,668.16
  6. Step 6: Final answer
    x = 2,654,066.01

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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.