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Finding the Fourth Proportional to 86,862.72, 130,299.12 and 24,528

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Solution

The fourth proportional to 86,862.72, 130,299.12 and 24,528 is: 36,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,862.72 : 130,299.12 = 24,528 : x
  2. Step 2: Convert to fraction form
    86,862.72/130,299.12 = 24,528/x
  3. Step 3: Cross multiply
    86,862.72x = 130,299.12 × 24,528
  4. Step 4: Simplify right side
    86,862.72x = 3,195,976,815.36
  5. Step 5: Solve for x
    x = 3,195,976,815.36/86,862.72
  6. Step 6: Final answer
    x = 36,793.42

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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.