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Finding the Fourth Proportional to 47,728.40, 71,592.60 and 24,400.40

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Solution

The fourth proportional to 47,728.40, 71,592.60 and 24,400.40 is: 36,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.40 : 71,592.60 = 24,400.40 : x
  2. Step 2: Convert to fraction form
    47,728.40/71,592.60 = 24,400.40/x
  3. Step 3: Cross multiply
    47,728.40x = 71,592.60 × 24,400.40
  4. Step 4: Simplify right side
    47,728.40x = 1,746,888,077.04
  5. Step 5: Solve for x
    x = 1,746,888,077.04/47,728.40
  6. Step 6: Final answer
    x = 36,600.60

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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.