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Finding the Fourth Proportional to 11,042.56, 16,555.02 and 4,471.84

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Solution

The fourth proportional to 11,042.56, 16,555.02 and 4,471.84 is: 6,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.56 : 16,555.02 = 4,471.84 : x
  2. Step 2: Convert to fraction form
    11,042.56/16,555.02 = 4,471.84/x
  3. Step 3: Cross multiply
    11,042.56x = 16,555.02 × 4,471.84
  4. Step 4: Simplify right side
    11,042.56x = 74,031,400.64
  5. Step 5: Solve for x
    x = 74,031,400.64/11,042.56
  6. Step 6: Final answer
    x = 6,704.19

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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.