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Finding the Fourth Proportional to 67,254.70, 92,807.92 and 38,572.88

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Solution

The fourth proportional to 67,254.70, 92,807.92 and 38,572.88 is: 53,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,254.70 : 92,807.92 = 38,572.88 : x
  2. Step 2: Convert to fraction form
    67,254.70/92,807.92 = 38,572.88/x
  3. Step 3: Cross multiply
    67,254.70x = 92,807.92 × 38,572.88
  4. Step 4: Simplify right side
    67,254.70x = 3,579,868,761.21
  5. Step 5: Solve for x
    x = 3,579,868,761.21/67,254.70
  6. Step 6: Final answer
    x = 53,228.53

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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.