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Finding the Fourth Proportional to 4,901.92, 7,353.28 and 1,614.92

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Solution

The fourth proportional to 4,901.92, 7,353.28 and 1,614.92 is: 2,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.92 : 7,353.28 = 1,614.92 : x
  2. Step 2: Convert to fraction form
    4,901.92/7,353.28 = 1,614.92/x
  3. Step 3: Cross multiply
    4,901.92x = 7,353.28 × 1,614.92
  4. Step 4: Simplify right side
    4,901.92x = 11,874,958.94
  5. Step 5: Solve for x
    x = 11,874,958.94/4,901.92
  6. Step 6: Final answer
    x = 2,422.51

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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.