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Finding the Fourth Proportional to 38,407.68, 57,819.01 and 34,545.49

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Solution

The fourth proportional to 38,407.68, 57,819.01 and 34,545.49 is: 52,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.68 : 57,819.01 = 34,545.49 : x
  2. Step 2: Convert to fraction form
    38,407.68/57,819.01 = 34,545.49/x
  3. Step 3: Cross multiply
    38,407.68x = 57,819.01 × 34,545.49
  4. Step 4: Simplify right side
    38,407.68x = 1,997,386,031.76
  5. Step 5: Solve for x
    x = 1,997,386,031.76/38,407.68
  6. Step 6: Final answer
    x = 52,004.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.