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Finding the Fourth Proportional to 6,672.16, 10,011.84 and 2,779.24

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Solution

The fourth proportional to 6,672.16, 10,011.84 and 2,779.24 is: 4,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.16 : 10,011.84 = 2,779.24 : x
  2. Step 2: Convert to fraction form
    6,672.16/10,011.84 = 2,779.24/x
  3. Step 3: Cross multiply
    6,672.16x = 10,011.84 × 2,779.24
  4. Step 4: Simplify right side
    6,672.16x = 27,825,306.20
  5. Step 5: Solve for x
    x = 27,825,306.20/6,672.16
  6. Step 6: Final answer
    x = 4,170.36

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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.