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Finding the Fourth Proportional to 86,687.36, 130,035.90 and 24,353

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Solution

The fourth proportional to 86,687.36, 130,035.90 and 24,353 is: 36,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,687.36 : 130,035.90 = 24,353 : x
  2. Step 2: Convert to fraction form
    86,687.36/130,035.90 = 24,353/x
  3. Step 3: Cross multiply
    86,687.36x = 130,035.90 × 24,353
  4. Step 4: Simplify right side
    86,687.36x = 3,166,764,272.70
  5. Step 5: Solve for x
    x = 3,166,764,272.70/86,687.36
  6. Step 6: Final answer
    x = 36,530.87

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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.