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Finding the Fourth Proportional to 47,652.75, 71,479.13 and 19,950.75

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Solution

The fourth proportional to 47,652.75, 71,479.13 and 19,950.75 is: 29,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,652.75 : 71,479.13 = 19,950.75 : x
  2. Step 2: Convert to fraction form
    47,652.75/71,479.13 = 19,950.75/x
  3. Step 3: Cross multiply
    47,652.75x = 71,479.13 × 19,950.75
  4. Step 4: Simplify right side
    47,652.75x = 1,426,062,153.09
  5. Step 5: Solve for x
    x = 1,426,062,153.09/47,652.75
  6. Step 6: Final answer
    x = 29,926.13

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Similar ratio
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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.