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Finding the Fourth Proportional to 4,367.90, 6,549.64 and 1,901.61

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Solution

The fourth proportional to 4,367.90, 6,549.64 and 1,901.61 is: 2,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.90 : 6,549.64 = 1,901.61 : x
  2. Step 2: Convert to fraction form
    4,367.90/6,549.64 = 1,901.61/x
  3. Step 3: Cross multiply
    4,367.90x = 6,549.64 × 1,901.61
  4. Step 4: Simplify right side
    4,367.90x = 12,454,856.17
  5. Step 5: Solve for x
    x = 12,454,856.17/4,367.90
  6. Step 6: Final answer
    x = 2,851.45

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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.