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Finding the Fourth Proportional to 71,625.40, 98,832.06 and 41,404.84

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Solution

The fourth proportional to 71,625.40, 98,832.06 and 41,404.84 is: 57,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.40 : 98,832.06 = 41,404.84 : x
  2. Step 2: Convert to fraction form
    71,625.40/98,832.06 = 41,404.84/x
  3. Step 3: Cross multiply
    71,625.40x = 98,832.06 × 41,404.84
  4. Step 4: Simplify right side
    71,625.40x = 4,092,125,631.17
  5. Step 5: Solve for x
    x = 4,092,125,631.17/71,625.40
  6. Step 6: Final answer
    x = 57,132.33

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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.