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Finding the Fourth Proportional to 5,712.24, 8,568.24 and 4,745.04

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Solution

The fourth proportional to 5,712.24, 8,568.24 and 4,745.04 is: 7,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.24 : 8,568.24 = 4,745.04 : x
  2. Step 2: Convert to fraction form
    5,712.24/8,568.24 = 4,745.04/x
  3. Step 3: Cross multiply
    5,712.24x = 8,568.24 × 4,745.04
  4. Step 4: Simplify right side
    5,712.24x = 40,656,641.53
  5. Step 5: Solve for x
    x = 40,656,641.53/5,712.24
  6. Step 6: Final answer
    x = 7,117.46

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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.