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Finding the Fourth Proportional to 2,179.64, 3,264.84 and 1,010.60

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Solution

The fourth proportional to 2,179.64, 3,264.84 and 1,010.60 is: 1,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.64 : 3,264.84 = 1,010.60 : x
  2. Step 2: Convert to fraction form
    2,179.64/3,264.84 = 1,010.60/x
  3. Step 3: Cross multiply
    2,179.64x = 3,264.84 × 1,010.60
  4. Step 4: Simplify right side
    2,179.64x = 3,299,447.30
  5. Step 5: Solve for x
    x = 3,299,447.30/2,179.64
  6. Step 6: Final answer
    x = 1,513.76

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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.