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Finding the Fourth Proportional to 5,982.19, 8,989.68 and 5,642.52

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Solution

The fourth proportional to 5,982.19, 8,989.68 and 5,642.52 is: 8,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.19 : 8,989.68 = 5,642.52 : x
  2. Step 2: Convert to fraction form
    5,982.19/8,989.68 = 5,642.52/x
  3. Step 3: Cross multiply
    5,982.19x = 8,989.68 × 5,642.52
  4. Step 4: Simplify right side
    5,982.19x = 50,724,449.19
  5. Step 5: Solve for x
    x = 50,724,449.19/5,982.19
  6. Step 6: Final answer
    x = 8,479.24

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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.