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Finding the Fourth Proportional to 45,174.70, 62,400.54 and 34,693.84

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Solution

The fourth proportional to 45,174.70, 62,400.54 and 34,693.84 is: 47,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,174.70 : 62,400.54 = 34,693.84 : x
  2. Step 2: Convert to fraction form
    45,174.70/62,400.54 = 34,693.84/x
  3. Step 3: Cross multiply
    45,174.70x = 62,400.54 × 34,693.84
  4. Step 4: Simplify right side
    45,174.70x = 2,164,914,350.67
  5. Step 5: Solve for x
    x = 2,164,914,350.67/45,174.70
  6. Step 6: Final answer
    x = 47,923.16

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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.