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Finding the Fourth Proportional to 62,679.83, 94,019.94 and 15,932.70

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Solution

The fourth proportional to 62,679.83, 94,019.94 and 15,932.70 is: 23,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.83 : 94,019.94 = 15,932.70 : x
  2. Step 2: Convert to fraction form
    62,679.83/94,019.94 = 15,932.70/x
  3. Step 3: Cross multiply
    62,679.83x = 94,019.94 × 15,932.70
  4. Step 4: Simplify right side
    62,679.83x = 1,497,991,498.04
  5. Step 5: Solve for x
    x = 1,497,991,498.04/62,679.83
  6. Step 6: Final answer
    x = 23,899.10

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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.