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Finding the Fourth Proportional to 57,838.60, 86,714.70 and 24,531.40

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Solution

The fourth proportional to 57,838.60, 86,714.70 and 24,531.40 is: 36,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.60 : 86,714.70 = 24,531.40 : x
  2. Step 2: Convert to fraction form
    57,838.60/86,714.70 = 24,531.40/x
  3. Step 3: Cross multiply
    57,838.60x = 86,714.70 × 24,531.40
  4. Step 4: Simplify right side
    57,838.60x = 2,127,232,991.58
  5. Step 5: Solve for x
    x = 2,127,232,991.58/57,838.60
  6. Step 6: Final answer
    x = 36,778.78

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1.5x scale

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.