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Finding the Fourth Proportional to 44,503.20, 66,429.81 and 38,898

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Solution

The fourth proportional to 44,503.20, 66,429.81 and 38,898 is: 58,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,503.20 : 66,429.81 = 38,898 : x
  2. Step 2: Convert to fraction form
    44,503.20/66,429.81 = 38,898/x
  3. Step 3: Cross multiply
    44,503.20x = 66,429.81 × 38,898
  4. Step 4: Simplify right side
    44,503.20x = 2,583,986,749.38
  5. Step 5: Solve for x
    x = 2,583,986,749.38/44,503.20
  6. Step 6: Final answer
    x = 58,062.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.