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Finding the Fourth Proportional to 10,888.72, 16,320.12 and 6,262

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Solution

The fourth proportional to 10,888.72, 16,320.12 and 6,262 is: 9,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.72 : 16,320.12 = 6,262 : x
  2. Step 2: Convert to fraction form
    10,888.72/16,320.12 = 6,262/x
  3. Step 3: Cross multiply
    10,888.72x = 16,320.12 × 6,262
  4. Step 4: Simplify right side
    10,888.72x = 102,196,591.44
  5. Step 5: Solve for x
    x = 102,196,591.44/10,888.72
  6. Step 6: Final answer
    x = 9,385.55

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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.