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Finding the Fourth Proportional to 52,257.71, 72,116.02 and 28,384.39

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Solution

The fourth proportional to 52,257.71, 72,116.02 and 28,384.39 is: 39,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.71 : 72,116.02 = 28,384.39 : x
  2. Step 2: Convert to fraction form
    52,257.71/72,116.02 = 28,384.39/x
  3. Step 3: Cross multiply
    52,257.71x = 72,116.02 × 28,384.39
  4. Step 4: Simplify right side
    52,257.71x = 2,046,969,236.93
  5. Step 5: Solve for x
    x = 2,046,969,236.93/52,257.71
  6. Step 6: Final answer
    x = 39,170.66

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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.