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Finding the Fourth Proportional to 45,172, 62,337.36 and 27,508

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Solution

The fourth proportional to 45,172, 62,337.36 and 27,508 is: 37,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172 : 62,337.36 = 27,508 : x
  2. Step 2: Convert to fraction form
    45,172/62,337.36 = 27,508/x
  3. Step 3: Cross multiply
    45,172x = 62,337.36 × 27,508
  4. Step 4: Simplify right side
    45,172x = 1,714,776,098.88
  5. Step 5: Solve for x
    x = 1,714,776,098.88/45,172
  6. Step 6: Final answer
    x = 37,961.04

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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.