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Finding the Fourth Proportional to 5,562.70, 8,343.88 and 1,402.73

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Solution

The fourth proportional to 5,562.70, 8,343.88 and 1,402.73 is: 2,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.70 : 8,343.88 = 1,402.73 : x
  2. Step 2: Convert to fraction form
    5,562.70/8,343.88 = 1,402.73/x
  3. Step 3: Cross multiply
    5,562.70x = 8,343.88 × 1,402.73
  4. Step 4: Simplify right side
    5,562.70x = 11,704,210.79
  5. Step 5: Solve for x
    x = 11,704,210.79/5,562.70
  6. Step 6: Final answer
    x = 2,104.05

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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.