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Finding the Fourth Proportional to 86,369.56, 129,525.41 and 33,049.15

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Solution

The fourth proportional to 86,369.56, 129,525.41 and 33,049.15 is: 49,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,369.56 : 129,525.41 = 33,049.15 : x
  2. Step 2: Convert to fraction form
    86,369.56/129,525.41 = 33,049.15/x
  3. Step 3: Cross multiply
    86,369.56x = 129,525.41 × 33,049.15
  4. Step 4: Simplify right side
    86,369.56x = 4,280,704,462.71
  5. Step 5: Solve for x
    x = 4,280,704,462.71/86,369.56
  6. Step 6: Final answer
    x = 49,562.65

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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.