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Finding the Fourth Proportional to 52,211.56, 72,055.50 and 29,550.56

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Solution

The fourth proportional to 52,211.56, 72,055.50 and 29,550.56 is: 40,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.56 : 72,055.50 = 29,550.56 : x
  2. Step 2: Convert to fraction form
    52,211.56/72,055.50 = 29,550.56/x
  3. Step 3: Cross multiply
    52,211.56x = 72,055.50 × 29,550.56
  4. Step 4: Simplify right side
    52,211.56x = 2,129,280,376.08
  5. Step 5: Solve for x
    x = 2,129,280,376.08/52,211.56
  6. Step 6: Final answer
    x = 40,781.78

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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.