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Finding the Fourth Proportional to 48,299.63, 72,449.48 and 38,895.53

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Solution

The fourth proportional to 48,299.63, 72,449.48 and 38,895.53 is: 58,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,299.63 : 72,449.48 = 38,895.53 : x
  2. Step 2: Convert to fraction form
    48,299.63/72,449.48 = 38,895.53/x
  3. Step 3: Cross multiply
    48,299.63x = 72,449.48 × 38,895.53
  4. Step 4: Simplify right side
    48,299.63x = 2,817,961,201.19
  5. Step 5: Solve for x
    x = 2,817,961,201.19/48,299.63
  6. Step 6: Final answer
    x = 58,343.33

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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.