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Finding the Fourth Proportional to 48,121.64, 72,182.44 and 13,066.44

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Solution

The fourth proportional to 48,121.64, 72,182.44 and 13,066.44 is: 19,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.64 : 72,182.44 = 13,066.44 : x
  2. Step 2: Convert to fraction form
    48,121.64/72,182.44 = 13,066.44/x
  3. Step 3: Cross multiply
    48,121.64x = 72,182.44 × 13,066.44
  4. Step 4: Simplify right side
    48,121.64x = 943,167,521.31
  5. Step 5: Solve for x
    x = 943,167,521.31/48,121.64
  6. Step 6: Final answer
    x = 19,599.65

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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.