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Finding the Fourth Proportional to 5,817.42, 8,724.42 and 2,529.72

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Solution

The fourth proportional to 5,817.42, 8,724.42 and 2,529.72 is: 3,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.42 : 8,724.42 = 2,529.72 : x
  2. Step 2: Convert to fraction form
    5,817.42/8,724.42 = 2,529.72/x
  3. Step 3: Cross multiply
    5,817.42x = 8,724.42 × 2,529.72
  4. Step 4: Simplify right side
    5,817.42x = 22,070,339.76
  5. Step 5: Solve for x
    x = 22,070,339.76/5,817.42
  6. Step 6: Final answer
    x = 3,793.84

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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.