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Finding the Fourth Proportional to 56,367.20, 84,493.20 and 32,981.60

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Solution

The fourth proportional to 56,367.20, 84,493.20 and 32,981.60 is: 49,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.20 : 84,493.20 = 32,981.60 : x
  2. Step 2: Convert to fraction form
    56,367.20/84,493.20 = 32,981.60/x
  3. Step 3: Cross multiply
    56,367.20x = 84,493.20 × 32,981.60
  4. Step 4: Simplify right side
    56,367.20x = 2,786,720,925.12
  5. Step 5: Solve for x
    x = 2,786,720,925.12/56,367.20
  6. Step 6: Final answer
    x = 49,438.70

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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.