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Finding the Fourth Proportional to 16,449.66, 24,685.43 and 8,559.45

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Solution

The fourth proportional to 16,449.66, 24,685.43 and 8,559.45 is: 12,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.66 : 24,685.43 = 8,559.45 : x
  2. Step 2: Convert to fraction form
    16,449.66/24,685.43 = 8,559.45/x
  3. Step 3: Cross multiply
    16,449.66x = 24,685.43 × 8,559.45
  4. Step 4: Simplify right side
    16,449.66x = 211,293,661.02
  5. Step 5: Solve for x
    x = 211,293,661.02/16,449.66
  6. Step 6: Final answer
    x = 12,844.86

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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.