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Finding the Fourth Proportional to 71,570.76, 98,772.12 and 41,361.62

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Solution

The fourth proportional to 71,570.76, 98,772.12 and 41,361.62 is: 57,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,570.76 : 98,772.12 = 41,361.62 : x
  2. Step 2: Convert to fraction form
    71,570.76/98,772.12 = 41,361.62/x
  3. Step 3: Cross multiply
    71,570.76x = 98,772.12 × 41,361.62
  4. Step 4: Simplify right side
    71,570.76x = 4,085,374,400.17
  5. Step 5: Solve for x
    x = 4,085,374,400.17/71,570.76
  6. Step 6: Final answer
    x = 57,081.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.