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Finding the Fourth Proportional to 5,679.80, 8,532.12 and 4,046.84

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Solution

The fourth proportional to 5,679.80, 8,532.12 and 4,046.84 is: 6,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.80 : 8,532.12 = 4,046.84 : x
  2. Step 2: Convert to fraction form
    5,679.80/8,532.12 = 4,046.84/x
  3. Step 3: Cross multiply
    5,679.80x = 8,532.12 × 4,046.84
  4. Step 4: Simplify right side
    5,679.80x = 34,528,124.50
  5. Step 5: Solve for x
    x = 34,528,124.50/5,679.80
  6. Step 6: Final answer
    x = 6,079.11

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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.