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Finding the Fourth Proportional to 47,062.08, 64,948.08 and 29,166.72

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Solution

The fourth proportional to 47,062.08, 64,948.08 and 29,166.72 is: 40,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,062.08 : 64,948.08 = 29,166.72 : x
  2. Step 2: Convert to fraction form
    47,062.08/64,948.08 = 29,166.72/x
  3. Step 3: Cross multiply
    47,062.08x = 64,948.08 × 29,166.72
  4. Step 4: Simplify right side
    47,062.08x = 1,894,322,463.90
  5. Step 5: Solve for x
    x = 1,894,322,463.90/47,062.08
  6. Step 6: Final answer
    x = 40,251.57

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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.