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Finding the Fourth Proportional to 2,663.64, 3,995.28 and 2,483.28

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Solution

The fourth proportional to 2,663.64, 3,995.28 and 2,483.28 is: 3,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.64 : 3,995.28 = 2,483.28 : x
  2. Step 2: Convert to fraction form
    2,663.64/3,995.28 = 2,483.28/x
  3. Step 3: Cross multiply
    2,663.64x = 3,995.28 × 2,483.28
  4. Step 4: Simplify right side
    2,663.64x = 9,921,398.92
  5. Step 5: Solve for x
    x = 9,921,398.92/2,663.64
  6. Step 6: Final answer
    x = 3,724.75

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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.