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Finding the Fourth Proportional to 44,531.36, 66,842.05 and 39,498.54

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Solution

The fourth proportional to 44,531.36, 66,842.05 and 39,498.54 is: 59,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,531.36 : 66,842.05 = 39,498.54 : x
  2. Step 2: Convert to fraction form
    44,531.36/66,842.05 = 39,498.54/x
  3. Step 3: Cross multiply
    44,531.36x = 66,842.05 × 39,498.54
  4. Step 4: Simplify right side
    44,531.36x = 2,640,163,489.72
  5. Step 5: Solve for x
    x = 2,640,163,489.72/44,531.36
  6. Step 6: Final answer
    x = 59,287.74

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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.