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Finding the Fourth Proportional to 86,600.96, 129,886.80 and 24,257.12

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Solution

The fourth proportional to 86,600.96, 129,886.80 and 24,257.12 is: 36,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,600.96 : 129,886.80 = 24,257.12 : x
  2. Step 2: Convert to fraction form
    86,600.96/129,886.80 = 24,257.12/x
  3. Step 3: Cross multiply
    86,600.96x = 129,886.80 × 24,257.12
  4. Step 4: Simplify right side
    86,600.96x = 3,150,679,694.02
  5. Step 5: Solve for x
    x = 3,150,679,694.02/86,600.96
  6. Step 6: Final answer
    x = 36,381.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.