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Finding the Fourth Proportional to 52,740.96, 72,800.96 and 32,613.28

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Solution

The fourth proportional to 52,740.96, 72,800.96 and 32,613.28 is: 45,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.96 : 72,800.96 = 32,613.28 : x
  2. Step 2: Convert to fraction form
    52,740.96/72,800.96 = 32,613.28/x
  3. Step 3: Cross multiply
    52,740.96x = 72,800.96 × 32,613.28
  4. Step 4: Simplify right side
    52,740.96x = 2,374,278,092.75
  5. Step 5: Solve for x
    x = 2,374,278,092.75/52,740.96
  6. Step 6: Final answer
    x = 45,017.73

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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.