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Finding the Fourth Proportional to 5,559.72, 7,659.06 and 4,675.56

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Solution

The fourth proportional to 5,559.72, 7,659.06 and 4,675.56 is: 6,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.72 : 7,659.06 = 4,675.56 : x
  2. Step 2: Convert to fraction form
    5,559.72/7,659.06 = 4,675.56/x
  3. Step 3: Cross multiply
    5,559.72x = 7,659.06 × 4,675.56
  4. Step 4: Simplify right side
    5,559.72x = 35,810,394.57
  5. Step 5: Solve for x
    x = 35,810,394.57/5,559.72
  6. Step 6: Final answer
    x = 6,441.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.