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Finding the Fourth Proportional to 55,732.80, 84,008.88 and 52,520.64

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Solution

The fourth proportional to 55,732.80, 84,008.88 and 52,520.64 is: 79,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.80 : 84,008.88 = 52,520.64 : x
  2. Step 2: Convert to fraction form
    55,732.80/84,008.88 = 52,520.64/x
  3. Step 3: Cross multiply
    55,732.80x = 84,008.88 × 52,520.64
  4. Step 4: Simplify right side
    55,732.80x = 4,412,200,143.28
  5. Step 5: Solve for x
    x = 4,412,200,143.28/55,732.80
  6. Step 6: Final answer
    x = 79,167.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.