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Finding the Fourth Proportional to 45,147, 62,301.86 and 25,002.70

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Solution

The fourth proportional to 45,147, 62,301.86 and 25,002.70 is: 34,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147 : 62,301.86 = 25,002.70 : x
  2. Step 2: Convert to fraction form
    45,147/62,301.86 = 25,002.70/x
  3. Step 3: Cross multiply
    45,147x = 62,301.86 × 25,002.70
  4. Step 4: Simplify right side
    45,147x = 1,557,714,715.02
  5. Step 5: Solve for x
    x = 1,557,714,715.02/45,147
  6. Step 6: Final answer
    x = 34,503.17

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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.