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Finding the Fourth Proportional to 59,920.80, 82,691.34 and 33,064.32

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Solution

The fourth proportional to 59,920.80, 82,691.34 and 33,064.32 is: 45,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,920.80 : 82,691.34 = 33,064.32 : x
  2. Step 2: Convert to fraction form
    59,920.80/82,691.34 = 33,064.32/x
  3. Step 3: Cross multiply
    59,920.80x = 82,691.34 × 33,064.32
  4. Step 4: Simplify right side
    59,920.80x = 2,734,132,926.99
  5. Step 5: Solve for x
    x = 2,734,132,926.99/59,920.80
  6. Step 6: Final answer
    x = 45,629.11

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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.