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Finding the Fourth Proportional to 5,694.71, 8,539.02 and 2,920.25

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Solution

The fourth proportional to 5,694.71, 8,539.02 and 2,920.25 is: 4,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.71 : 8,539.02 = 2,920.25 : x
  2. Step 2: Convert to fraction form
    5,694.71/8,539.02 = 2,920.25/x
  3. Step 3: Cross multiply
    5,694.71x = 8,539.02 × 2,920.25
  4. Step 4: Simplify right side
    5,694.71x = 24,936,094.50
  5. Step 5: Solve for x
    x = 24,936,094.50/5,694.71
  6. Step 6: Final answer
    x = 4,378.82

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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.