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Finding the Fourth Proportional to 74,893, 112,425.92 and 38,034.76

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Solution

The fourth proportional to 74,893, 112,425.92 and 38,034.76 is: 57,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893 : 112,425.92 = 38,034.76 : x
  2. Step 2: Convert to fraction form
    74,893/112,425.92 = 38,034.76/x
  3. Step 3: Cross multiply
    74,893x = 112,425.92 × 38,034.76
  4. Step 4: Simplify right side
    74,893x = 4,276,092,884.98
  5. Step 5: Solve for x
    x = 4,276,092,884.98/74,893
  6. Step 6: Final answer
    x = 57,096.03

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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.