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Finding the Fourth Proportional to 24,449.70, 36,698.85 and 11,983.80

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Solution

The fourth proportional to 24,449.70, 36,698.85 and 11,983.80 is: 17,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,449.70 : 36,698.85 = 11,983.80 : x
  2. Step 2: Convert to fraction form
    24,449.70/36,698.85 = 11,983.80/x
  3. Step 3: Cross multiply
    24,449.70x = 36,698.85 × 11,983.80
  4. Step 4: Simplify right side
    24,449.70x = 439,791,678.63
  5. Step 5: Solve for x
    x = 439,791,678.63/24,449.70
  6. Step 6: Final answer
    x = 17,987.61

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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.