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Finding the Fourth Proportional to 16,617.80, 24,934.80 and 8,826.50

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Solution

The fourth proportional to 16,617.80, 24,934.80 and 8,826.50 is: 13,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.80 : 24,934.80 = 8,826.50 : x
  2. Step 2: Convert to fraction form
    16,617.80/24,934.80 = 8,826.50/x
  3. Step 3: Cross multiply
    16,617.80x = 24,934.80 × 8,826.50
  4. Step 4: Simplify right side
    16,617.80x = 220,087,012.20
  5. Step 5: Solve for x
    x = 220,087,012.20/16,617.80
  6. Step 6: Final answer
    x = 13,244.05

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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.