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Finding the Fourth Proportional to 16,896.60, 25,344.90 and 8,577.90

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Solution

The fourth proportional to 16,896.60, 25,344.90 and 8,577.90 is: 12,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.60 : 25,344.90 = 8,577.90 : x
  2. Step 2: Convert to fraction form
    16,896.60/25,344.90 = 8,577.90/x
  3. Step 3: Cross multiply
    16,896.60x = 25,344.90 × 8,577.90
  4. Step 4: Simplify right side
    16,896.60x = 217,406,017.71
  5. Step 5: Solve for x
    x = 217,406,017.71/16,896.60
  6. Step 6: Final answer
    x = 12,866.85

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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.