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Finding the Fourth Proportional to 5,749.71, 8,610.85 and 3,551.77

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Solution

The fourth proportional to 5,749.71, 8,610.85 and 3,551.77 is: 5,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.71 : 8,610.85 = 3,551.77 : x
  2. Step 2: Convert to fraction form
    5,749.71/8,610.85 = 3,551.77/x
  3. Step 3: Cross multiply
    5,749.71x = 8,610.85 × 3,551.77
  4. Step 4: Simplify right side
    5,749.71x = 30,583,758.70
  5. Step 5: Solve for x
    x = 30,583,758.70/5,749.71
  6. Step 6: Final answer
    x = 5,319.18

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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.