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Finding the Fourth Proportional to 4,246.64, 5,863.08 and 2,919.92

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Solution

The fourth proportional to 4,246.64, 5,863.08 and 2,919.92 is: 4,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.64 : 5,863.08 = 2,919.92 : x
  2. Step 2: Convert to fraction form
    4,246.64/5,863.08 = 2,919.92/x
  3. Step 3: Cross multiply
    4,246.64x = 5,863.08 × 2,919.92
  4. Step 4: Simplify right side
    4,246.64x = 17,119,724.55
  5. Step 5: Solve for x
    x = 17,119,724.55/4,246.64
  6. Step 6: Final answer
    x = 4,031.36

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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.