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Finding the Fourth Proportional to 10,345.92, 15,508 and 5,073.63

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Solution

The fourth proportional to 10,345.92, 15,508 and 5,073.63 is: 7,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.92 : 15,508 = 5,073.63 : x
  2. Step 2: Convert to fraction form
    10,345.92/15,508 = 5,073.63/x
  3. Step 3: Cross multiply
    10,345.92x = 15,508 × 5,073.63
  4. Step 4: Simplify right side
    10,345.92x = 78,681,854.04
  5. Step 5: Solve for x
    x = 78,681,854.04/10,345.92
  6. Step 6: Final answer
    x = 7,605.11

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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.