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Finding the Fourth Proportional to 16,473.04, 22,732.60 and 8,919.20

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Solution

The fourth proportional to 16,473.04, 22,732.60 and 8,919.20 is: 12,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.04 : 22,732.60 = 8,919.20 : x
  2. Step 2: Convert to fraction form
    16,473.04/22,732.60 = 8,919.20/x
  3. Step 3: Cross multiply
    16,473.04x = 22,732.60 × 8,919.20
  4. Step 4: Simplify right side
    16,473.04x = 202,756,605.92
  5. Step 5: Solve for x
    x = 202,756,605.92/16,473.04
  6. Step 6: Final answer
    x = 12,308.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.