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Finding the Fourth Proportional to 16,641.40, 22,937.79 and 11,797.78

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Solution

The fourth proportional to 16,641.40, 22,937.79 and 11,797.78 is: 16,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.40 : 22,937.79 = 11,797.78 : x
  2. Step 2: Convert to fraction form
    16,641.40/22,937.79 = 11,797.78/x
  3. Step 3: Cross multiply
    16,641.40x = 22,937.79 × 11,797.78
  4. Step 4: Simplify right side
    16,641.40x = 270,615,000.11
  5. Step 5: Solve for x
    x = 270,615,000.11/16,641.40
  6. Step 6: Final answer
    x = 16,261.55

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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.