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Finding the Fourth Proportional to 11,001.35, 16,508.88 and 6,849.50

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Solution

The fourth proportional to 11,001.35, 16,508.88 and 6,849.50 is: 10,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.35 : 16,508.88 = 6,849.50 : x
  2. Step 2: Convert to fraction form
    11,001.35/16,508.88 = 6,849.50/x
  3. Step 3: Cross multiply
    11,001.35x = 16,508.88 × 6,849.50
  4. Step 4: Simplify right side
    11,001.35x = 113,077,491.02
  5. Step 5: Solve for x
    x = 113,077,491.02/11,001.35
  6. Step 6: Final answer
    x = 10,278.51

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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.