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Finding the Fourth Proportional to 48,229.93, 66,505.32 and 32,918.20

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Solution

The fourth proportional to 48,229.93, 66,505.32 and 32,918.20 is: 45,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,229.93 : 66,505.32 = 32,918.20 : x
  2. Step 2: Convert to fraction form
    48,229.93/66,505.32 = 32,918.20/x
  3. Step 3: Cross multiply
    48,229.93x = 66,505.32 × 32,918.20
  4. Step 4: Simplify right side
    48,229.93x = 2,189,235,424.82
  5. Step 5: Solve for x
    x = 2,189,235,424.82/48,229.93
  6. Step 6: Final answer
    x = 45,391.64

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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.