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Finding the Fourth Proportional to 16,326.08, 22,530.08 and 9,612

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Solution

The fourth proportional to 16,326.08, 22,530.08 and 9,612 is: 13,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.08 : 22,530.08 = 9,612 : x
  2. Step 2: Convert to fraction form
    16,326.08/22,530.08 = 9,612/x
  3. Step 3: Cross multiply
    16,326.08x = 22,530.08 × 9,612
  4. Step 4: Simplify right side
    16,326.08x = 216,559,128.96
  5. Step 5: Solve for x
    x = 216,559,128.96/16,326.08
  6. Step 6: Final answer
    x = 13,264.61

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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.