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Finding the Fourth Proportional to 10,888.92, 16,335.54 and 3,491.46

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Solution

The fourth proportional to 10,888.92, 16,335.54 and 3,491.46 is: 5,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.92 : 16,335.54 = 3,491.46 : x
  2. Step 2: Convert to fraction form
    10,888.92/16,335.54 = 3,491.46/x
  3. Step 3: Cross multiply
    10,888.92x = 16,335.54 × 3,491.46
  4. Step 4: Simplify right side
    10,888.92x = 57,034,884.49
  5. Step 5: Solve for x
    x = 57,034,884.49/10,888.92
  6. Step 6: Final answer
    x = 5,237.88

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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.