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Finding the Fourth Proportional to 5,281.84, 7,922.29 and 1,584.89

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Solution

The fourth proportional to 5,281.84, 7,922.29 and 1,584.89 is: 2,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.84 : 7,922.29 = 1,584.89 : x
  2. Step 2: Convert to fraction form
    5,281.84/7,922.29 = 1,584.89/x
  3. Step 3: Cross multiply
    5,281.84x = 7,922.29 × 1,584.89
  4. Step 4: Simplify right side
    5,281.84x = 12,555,958.20
  5. Step 5: Solve for x
    x = 12,555,958.20/5,281.84
  6. Step 6: Final answer
    x = 2,377.19

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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.