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Finding the Fourth Proportional to 15,332.11, 22,978.55 and 7,935.19

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Solution

The fourth proportional to 15,332.11, 22,978.55 and 7,935.19 is: 11,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.11 : 22,978.55 = 7,935.19 : x
  2. Step 2: Convert to fraction form
    15,332.11/22,978.55 = 7,935.19/x
  3. Step 3: Cross multiply
    15,332.11x = 22,978.55 × 7,935.19
  4. Step 4: Simplify right side
    15,332.11x = 182,339,120.50
  5. Step 5: Solve for x
    x = 182,339,120.50/15,332.11
  6. Step 6: Final answer
    x = 11,892.63

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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.