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Finding the Fourth Proportional to 24,447.61, 33,734.90 and 13,690.98

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Solution

The fourth proportional to 24,447.61, 33,734.90 and 13,690.98 is: 18,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,447.61 : 33,734.90 = 13,690.98 : x
  2. Step 2: Convert to fraction form
    24,447.61/33,734.90 = 13,690.98/x
  3. Step 3: Cross multiply
    24,447.61x = 33,734.90 × 13,690.98
  4. Step 4: Simplify right side
    24,447.61x = 461,863,959.77
  5. Step 5: Solve for x
    x = 461,863,959.77/24,447.61
  6. Step 6: Final answer
    x = 18,891.99

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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.