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Finding the Fourth Proportional to 58,737.40, 88,278.90 and 51,134.20

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Solution

The fourth proportional to 58,737.40, 88,278.90 and 51,134.20 is: 76,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,737.40 : 88,278.90 = 51,134.20 : x
  2. Step 2: Convert to fraction form
    58,737.40/88,278.90 = 51,134.20/x
  3. Step 3: Cross multiply
    58,737.40x = 88,278.90 × 51,134.20
  4. Step 4: Simplify right side
    58,737.40x = 4,514,070,928.38
  5. Step 5: Solve for x
    x = 4,514,070,928.38/58,737.40
  6. Step 6: Final answer
    x = 76,851.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.