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Finding the Fourth Proportional to 60,391.80, 90,501.30 and 44,472.60

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Solution

The fourth proportional to 60,391.80, 90,501.30 and 44,472.60 is: 66,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,391.80 : 90,501.30 = 44,472.60 : x
  2. Step 2: Convert to fraction form
    60,391.80/90,501.30 = 44,472.60/x
  3. Step 3: Cross multiply
    60,391.80x = 90,501.30 × 44,472.60
  4. Step 4: Simplify right side
    60,391.80x = 4,024,828,114.38
  5. Step 5: Solve for x
    x = 4,024,828,114.38/60,391.80
  6. Step 6: Final answer
    x = 66,645.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.