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Finding the Fourth Proportional to 62,778.84, 94,600.10 and 51,929.70

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Solution

The fourth proportional to 62,778.84, 94,600.10 and 51,929.70 is: 78,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,778.84 : 94,600.10 = 51,929.70 : x
  2. Step 2: Convert to fraction form
    62,778.84/94,600.10 = 51,929.70/x
  3. Step 3: Cross multiply
    62,778.84x = 94,600.10 × 51,929.70
  4. Step 4: Simplify right side
    62,778.84x = 4,912,554,812.97
  5. Step 5: Solve for x
    x = 4,912,554,812.97/62,778.84
  6. Step 6: Final answer
    x = 78,251.76

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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.