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Finding the Fourth Proportional to 16,473.66, 22,733.66 and 8,920.04

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Solution

The fourth proportional to 16,473.66, 22,733.66 and 8,920.04 is: 12,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.66 : 22,733.66 = 8,920.04 : x
  2. Step 2: Convert to fraction form
    16,473.66/22,733.66 = 8,920.04/x
  3. Step 3: Cross multiply
    16,473.66x = 22,733.66 × 8,920.04
  4. Step 4: Simplify right side
    16,473.66x = 202,785,156.55
  5. Step 5: Solve for x
    x = 202,785,156.55/16,473.66
  6. Step 6: Final answer
    x = 12,309.66

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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.