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Finding the Fourth Proportional to 74,572.21, 111,842.11 and 24,640.48

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Solution

The fourth proportional to 74,572.21, 111,842.11 and 24,640.48 is: 36,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.21 : 111,842.11 = 24,640.48 : x
  2. Step 2: Convert to fraction form
    74,572.21/111,842.11 = 24,640.48/x
  3. Step 3: Cross multiply
    74,572.21x = 111,842.11 × 24,640.48
  4. Step 4: Simplify right side
    74,572.21x = 2,755,843,274.61
  5. Step 5: Solve for x
    x = 2,755,843,274.61/74,572.21
  6. Step 6: Final answer
    x = 36,955.37

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1.5x scale

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.