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Finding the Fourth Proportional to 16,884.60, 25,326.90 and 14,551.80

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Solution

The fourth proportional to 16,884.60, 25,326.90 and 14,551.80 is: 21,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.60 : 25,326.90 = 14,551.80 : x
  2. Step 2: Convert to fraction form
    16,884.60/25,326.90 = 14,551.80/x
  3. Step 3: Cross multiply
    16,884.60x = 25,326.90 × 14,551.80
  4. Step 4: Simplify right side
    16,884.60x = 368,551,983.42
  5. Step 5: Solve for x
    x = 368,551,983.42/16,884.60
  6. Step 6: Final answer
    x = 21,827.70

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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.