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Finding the Fourth Proportional to 3,532.88, 4,867.91 and 2,901.28

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Solution

The fourth proportional to 3,532.88, 4,867.91 and 2,901.28 is: 3,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.88 : 4,867.91 = 2,901.28 : x
  2. Step 2: Convert to fraction form
    3,532.88/4,867.91 = 2,901.28/x
  3. Step 3: Cross multiply
    3,532.88x = 4,867.91 × 2,901.28
  4. Step 4: Simplify right side
    3,532.88x = 14,123,169.92
  5. Step 5: Solve for x
    x = 14,123,169.92/3,532.88
  6. Step 6: Final answer
    x = 3,997.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.