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Finding the Fourth Proportional to 45,234.70, 62,421.51 and 25,090

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Solution

The fourth proportional to 45,234.70, 62,421.51 and 25,090 is: 34,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.70 : 62,421.51 = 25,090 : x
  2. Step 2: Convert to fraction form
    45,234.70/62,421.51 = 25,090/x
  3. Step 3: Cross multiply
    45,234.70x = 62,421.51 × 25,090
  4. Step 4: Simplify right side
    45,234.70x = 1,566,155,685.90
  5. Step 5: Solve for x
    x = 1,566,155,685.90/45,234.70
  6. Step 6: Final answer
    x = 34,622.88

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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.