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Finding the Fourth Proportional to 48,309.34, 72,464.49 and 13,248.97

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Solution

The fourth proportional to 48,309.34, 72,464.49 and 13,248.97 is: 19,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309.34 : 72,464.49 = 13,248.97 : x
  2. Step 2: Convert to fraction form
    48,309.34/72,464.49 = 13,248.97/x
  3. Step 3: Cross multiply
    48,309.34x = 72,464.49 × 13,248.97
  4. Step 4: Simplify right side
    48,309.34x = 960,079,854.08
  5. Step 5: Solve for x
    x = 960,079,854.08/48,309.34
  6. Step 6: Final answer
    x = 19,873.59

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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.