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Finding the Fourth Proportional to 16,977.42, 25,452.90 and 8,088.12

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Solution

The fourth proportional to 16,977.42, 25,452.90 and 8,088.12 is: 12,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.42 : 25,452.90 = 8,088.12 : x
  2. Step 2: Convert to fraction form
    16,977.42/25,452.90 = 8,088.12/x
  3. Step 3: Cross multiply
    16,977.42x = 25,452.90 × 8,088.12
  4. Step 4: Simplify right side
    16,977.42x = 205,866,109.55
  5. Step 5: Solve for x
    x = 205,866,109.55/16,977.42
  6. Step 6: Final answer
    x = 12,125.88

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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.