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Finding the Fourth Proportional to 17,679,689.13, 24,396,652.08 and 9,943,236.78

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Solution

The fourth proportional to 17,679,689.13, 24,396,652.08 and 9,943,236.78 is: 13,720,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679,689.13 : 24,396,652.08 = 9,943,236.78 : x
  2. Step 2: Convert to fraction form
    17,679,689.13/24,396,652.08 = 9,943,236.78/x
  3. Step 3: Cross multiply
    17,679,689.13x = 24,396,652.08 × 9,943,236.78
  4. Step 4: Simplify right side
    17,679,689.13x = 242,581,688,270,719.47
  5. Step 5: Solve for x
    x = 242,581,688,270,719.47/17,679,689.13
  6. Step 6: Final answer
    x = 13,720,924.98

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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.