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Finding the Fourth Proportional to 38,499.84, 57,732.48 and 17,712

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Solution

The fourth proportional to 38,499.84, 57,732.48 and 17,712 is: 26,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499.84 : 57,732.48 = 17,712 : x
  2. Step 2: Convert to fraction form
    38,499.84/57,732.48 = 17,712/x
  3. Step 3: Cross multiply
    38,499.84x = 57,732.48 × 17,712
  4. Step 4: Simplify right side
    38,499.84x = 1,022,557,685.76
  5. Step 5: Solve for x
    x = 1,022,557,685.76/38,499.84
  6. Step 6: Final answer
    x = 26,560.05

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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.