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Finding the Fourth Proportional to 52,134.50, 71,946.13 and 28,261.13

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Solution

The fourth proportional to 52,134.50, 71,946.13 and 28,261.13 is: 39,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.50 : 71,946.13 = 28,261.13 : x
  2. Step 2: Convert to fraction form
    52,134.50/71,946.13 = 28,261.13/x
  3. Step 3: Cross multiply
    52,134.50x = 71,946.13 × 28,261.13
  4. Step 4: Simplify right side
    52,134.50x = 2,033,278,502.54
  5. Step 5: Solve for x
    x = 2,033,278,502.54/52,134.50
  6. Step 6: Final answer
    x = 39,000.63

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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.