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Finding the Fourth Proportional to 70,063.80, 96,687.84 and 38,232.72

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Solution

The fourth proportional to 70,063.80, 96,687.84 and 38,232.72 is: 52,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.80 : 96,687.84 = 38,232.72 : x
  2. Step 2: Convert to fraction form
    70,063.80/96,687.84 = 38,232.72/x
  3. Step 3: Cross multiply
    70,063.80x = 96,687.84 × 38,232.72
  4. Step 4: Simplify right side
    70,063.80x = 3,696,639,114.12
  5. Step 5: Solve for x
    x = 3,696,639,114.12/70,063.80
  6. Step 6: Final answer
    x = 52,761.04

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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.