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Finding the Fourth Proportional to 45,162.40, 62,303.40 and 29,251.96

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Solution

The fourth proportional to 45,162.40, 62,303.40 and 29,251.96 is: 40,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,162.40 : 62,303.40 = 29,251.96 : x
  2. Step 2: Convert to fraction form
    45,162.40/62,303.40 = 29,251.96/x
  3. Step 3: Cross multiply
    45,162.40x = 62,303.40 × 29,251.96
  4. Step 4: Simplify right side
    45,162.40x = 1,822,496,564.66
  5. Step 5: Solve for x
    x = 1,822,496,564.66/45,162.40
  6. Step 6: Final answer
    x = 40,354.29

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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.