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Finding the Fourth Proportional to 43,060.88, 64,602.84 and 38,948.24

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Solution

The fourth proportional to 43,060.88, 64,602.84 and 38,948.24 is: 58,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,060.88 : 64,602.84 = 38,948.24 : x
  2. Step 2: Convert to fraction form
    43,060.88/64,602.84 = 38,948.24/x
  3. Step 3: Cross multiply
    43,060.88x = 64,602.84 × 38,948.24
  4. Step 4: Simplify right side
    43,060.88x = 2,516,166,917.00
  5. Step 5: Solve for x
    x = 2,516,166,917.00/43,060.88
  6. Step 6: Final answer
    x = 58,432.78

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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.