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Finding the Fourth Proportional to 67,490.60, 93,124.83 and 38,803.55

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Solution

The fourth proportional to 67,490.60, 93,124.83 and 38,803.55 is: 53,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,490.60 : 93,124.83 = 38,803.55 : x
  2. Step 2: Convert to fraction form
    67,490.60/93,124.83 = 38,803.55/x
  3. Step 3: Cross multiply
    67,490.60x = 93,124.83 × 38,803.55
  4. Step 4: Simplify right side
    67,490.60x = 3,613,573,531.52
  5. Step 5: Solve for x
    x = 3,613,573,531.52/67,490.60
  6. Step 6: Final answer
    x = 53,541.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.