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Finding the Fourth Proportional to 52,251.79, 72,105.13 and 29,590.30

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Solution

The fourth proportional to 52,251.79, 72,105.13 and 29,590.30 is: 40,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.79 : 72,105.13 = 29,590.30 : x
  2. Step 2: Convert to fraction form
    52,251.79/72,105.13 = 29,590.30/x
  3. Step 3: Cross multiply
    52,251.79x = 72,105.13 × 29,590.30
  4. Step 4: Simplify right side
    52,251.79x = 2,133,611,919.76
  5. Step 5: Solve for x
    x = 2,133,611,919.76/52,251.79
  6. Step 6: Final answer
    x = 40,833.28

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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.