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Finding the Fourth Proportional to 86,658.82, 129,995.61 and 24,329.32

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Solution

The fourth proportional to 86,658.82, 129,995.61 and 24,329.32 is: 36,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,658.82 : 129,995.61 = 24,329.32 : x
  2. Step 2: Convert to fraction form
    86,658.82/129,995.61 = 24,329.32/x
  3. Step 3: Cross multiply
    86,658.82x = 129,995.61 × 24,329.32
  4. Step 4: Simplify right side
    86,658.82x = 3,162,704,794.29
  5. Step 5: Solve for x
    x = 3,162,704,794.29/86,658.82
  6. Step 6: Final answer
    x = 36,496.05

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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.