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Finding the Fourth Proportional to 5,244.64, 7,867.84 and 2,612.28

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Solution

The fourth proportional to 5,244.64, 7,867.84 and 2,612.28 is: 3,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.64 : 7,867.84 = 2,612.28 : x
  2. Step 2: Convert to fraction form
    5,244.64/7,867.84 = 2,612.28/x
  3. Step 3: Cross multiply
    5,244.64x = 7,867.84 × 2,612.28
  4. Step 4: Simplify right side
    5,244.64x = 20,553,001.08
  5. Step 5: Solve for x
    x = 20,553,001.08/5,244.64
  6. Step 6: Final answer
    x = 3,918.86

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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.