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Finding the Fourth Proportional to 45,644, 62,990.12 and 25,501.76

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Solution

The fourth proportional to 45,644, 62,990.12 and 25,501.76 is: 35,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,644 : 62,990.12 = 25,501.76 : x
  2. Step 2: Convert to fraction form
    45,644/62,990.12 = 25,501.76/x
  3. Step 3: Cross multiply
    45,644x = 62,990.12 × 25,501.76
  4. Step 4: Simplify right side
    45,644x = 1,606,358,922.61
  5. Step 5: Solve for x
    x = 1,606,358,922.61/45,644
  6. Step 6: Final answer
    x = 35,193.21

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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.