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Finding the Fourth Proportional to 12,592,899.04, 17,376,605.04 and 7,160,507.68

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Solution

The fourth proportional to 12,592,899.04, 17,376,605.04 and 7,160,507.68 is: 9,880,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,899.04 : 17,376,605.04 = 7,160,507.68 : x
  2. Step 2: Convert to fraction form
    12,592,899.04/17,376,605.04 = 7,160,507.68/x
  3. Step 3: Cross multiply
    12,592,899.04x = 17,376,605.04 × 7,160,507.68
  4. Step 4: Simplify right side
    12,592,899.04x = 124,425,313,841,246.70
  5. Step 5: Solve for x
    x = 124,425,313,841,246.70/12,592,899.04
  6. Step 6: Final answer
    x = 9,880,593.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.