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Finding the Fourth Proportional to 44,480.70, 66,721.05 and 18,204.30

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Solution

The fourth proportional to 44,480.70, 66,721.05 and 18,204.30 is: 27,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,480.70 : 66,721.05 = 18,204.30 : x
  2. Step 2: Convert to fraction form
    44,480.70/66,721.05 = 18,204.30/x
  3. Step 3: Cross multiply
    44,480.70x = 66,721.05 × 18,204.30
  4. Step 4: Simplify right side
    44,480.70x = 1,214,610,010.52
  5. Step 5: Solve for x
    x = 1,214,610,010.52/44,480.70
  6. Step 6: Final answer
    x = 27,306.45

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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.