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Finding the Fourth Proportional to 5,979.25, 8,972.16 and 2,901.25

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Solution

The fourth proportional to 5,979.25, 8,972.16 and 2,901.25 is: 4,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.25 : 8,972.16 = 2,901.25 : x
  2. Step 2: Convert to fraction form
    5,979.25/8,972.16 = 2,901.25/x
  3. Step 3: Cross multiply
    5,979.25x = 8,972.16 × 2,901.25
  4. Step 4: Simplify right side
    5,979.25x = 26,030,479.20
  5. Step 5: Solve for x
    x = 26,030,479.20/5,979.25
  6. Step 6: Final answer
    x = 4,353.47

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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.