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Finding the Fourth Proportional to 29,920.56, 44,854.80 and 22,118.64

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Solution

The fourth proportional to 29,920.56, 44,854.80 and 22,118.64 is: 33,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.56 : 44,854.80 = 22,118.64 : x
  2. Step 2: Convert to fraction form
    29,920.56/44,854.80 = 22,118.64/x
  3. Step 3: Cross multiply
    29,920.56x = 44,854.80 × 22,118.64
  4. Step 4: Simplify right side
    29,920.56x = 992,127,173.47
  5. Step 5: Solve for x
    x = 992,127,173.47/29,920.56
  6. Step 6: Final answer
    x = 33,158.71

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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.