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Finding the Fourth Proportional to 82,613.84, 114,043.11 and 52,445.54

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Solution

The fourth proportional to 82,613.84, 114,043.11 and 52,445.54 is: 72,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,613.84 : 114,043.11 = 52,445.54 : x
  2. Step 2: Convert to fraction form
    82,613.84/114,043.11 = 52,445.54/x
  3. Step 3: Cross multiply
    82,613.84x = 114,043.11 × 52,445.54
  4. Step 4: Simplify right side
    82,613.84x = 5,981,051,917.01
  5. Step 5: Solve for x
    x = 5,981,051,917.01/82,613.84
  6. Step 6: Final answer
    x = 72,397.70

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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.