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Finding the Fourth Proportional to 71,799.44, 99,132 and 44,952.80

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Solution

The fourth proportional to 71,799.44, 99,132 and 44,952.80 is: 62,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,799.44 : 99,132 = 44,952.80 : x
  2. Step 2: Convert to fraction form
    71,799.44/99,132 = 44,952.80/x
  3. Step 3: Cross multiply
    71,799.44x = 99,132 × 44,952.80
  4. Step 4: Simplify right side
    71,799.44x = 4,456,260,969.60
  5. Step 5: Solve for x
    x = 4,456,260,969.60/71,799.44
  6. Step 6: Final answer
    x = 62,065.40

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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.