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Finding the Fourth Proportional to 67,972.57, 93,800.84 and 37,756.53

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Solution

The fourth proportional to 67,972.57, 93,800.84 and 37,756.53 is: 52,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,972.57 : 93,800.84 = 37,756.53 : x
  2. Step 2: Convert to fraction form
    67,972.57/93,800.84 = 37,756.53/x
  3. Step 3: Cross multiply
    67,972.57x = 93,800.84 × 37,756.53
  4. Step 4: Simplify right side
    67,972.57x = 3,541,594,040.70
  5. Step 5: Solve for x
    x = 3,541,594,040.70/67,972.57
  6. Step 6: Final answer
    x = 52,103.28

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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.