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Finding the Fourth Proportional to 58,920.70, 88,251.45 and 51,144.70

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Solution

The fourth proportional to 58,920.70, 88,251.45 and 51,144.70 is: 76,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.70 : 88,251.45 = 51,144.70 : x
  2. Step 2: Convert to fraction form
    58,920.70/88,251.45 = 51,144.70/x
  3. Step 3: Cross multiply
    58,920.70x = 88,251.45 × 51,144.70
  4. Step 4: Simplify right side
    58,920.70x = 4,513,593,934.82
  5. Step 5: Solve for x
    x = 4,513,593,934.82/58,920.70
  6. Step 6: Final answer
    x = 76,604.55

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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.