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Finding the Fourth Proportional to 62,325.18, 86,049.99 and 38,486.88

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Solution

The fourth proportional to 62,325.18, 86,049.99 and 38,486.88 is: 53,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,325.18 : 86,049.99 = 38,486.88 : x
  2. Step 2: Convert to fraction form
    62,325.18/86,049.99 = 38,486.88/x
  3. Step 3: Cross multiply
    62,325.18x = 86,049.99 × 38,486.88
  4. Step 4: Simplify right side
    62,325.18x = 3,311,795,639.13
  5. Step 5: Solve for x
    x = 3,311,795,639.13/62,325.18
  6. Step 6: Final answer
    x = 53,137.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.