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Finding the Fourth Proportional to 38,209.60, 57,330.60 and 24,180.40

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Solution

The fourth proportional to 38,209.60, 57,330.60 and 24,180.40 is: 36,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,209.60 : 57,330.60 = 24,180.40 : x
  2. Step 2: Convert to fraction form
    38,209.60/57,330.60 = 24,180.40/x
  3. Step 3: Cross multiply
    38,209.60x = 57,330.60 × 24,180.40
  4. Step 4: Simplify right side
    38,209.60x = 1,386,276,840.24
  5. Step 5: Solve for x
    x = 1,386,276,840.24/38,209.60
  6. Step 6: Final answer
    x = 36,280.85

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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.