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Finding the Fourth Proportional to 52,454.60, 72,384.89 and 29,790.65

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Solution

The fourth proportional to 52,454.60, 72,384.89 and 29,790.65 is: 41,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.60 : 72,384.89 = 29,790.65 : x
  2. Step 2: Convert to fraction form
    52,454.60/72,384.89 = 29,790.65/x
  3. Step 3: Cross multiply
    52,454.60x = 72,384.89 × 29,790.65
  4. Step 4: Simplify right side
    52,454.60x = 2,156,393,122.86
  5. Step 5: Solve for x
    x = 2,156,393,122.86/52,454.60
  6. Step 6: Final answer
    x = 41,109.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.