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Finding the Fourth Proportional to 38,159.60, 57,176.76 and 36,701.60

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Solution

The fourth proportional to 38,159.60, 57,176.76 and 36,701.60 is: 54,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,159.60 : 57,176.76 = 36,701.60 : x
  2. Step 2: Convert to fraction form
    38,159.60/57,176.76 = 36,701.60/x
  3. Step 3: Cross multiply
    38,159.60x = 57,176.76 × 36,701.60
  4. Step 4: Simplify right side
    38,159.60x = 2,098,478,574.82
  5. Step 5: Solve for x
    x = 2,098,478,574.82/38,159.60
  6. Step 6: Final answer
    x = 54,992.15

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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.