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Finding the Fourth Proportional to 3,260.60, 4,891.24 and 952.12

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Solution

The fourth proportional to 3,260.60, 4,891.24 and 952.12 is: 1,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.60 : 4,891.24 = 952.12 : x
  2. Step 2: Convert to fraction form
    3,260.60/4,891.24 = 952.12/x
  3. Step 3: Cross multiply
    3,260.60x = 4,891.24 × 952.12
  4. Step 4: Simplify right side
    3,260.60x = 4,657,047.43
  5. Step 5: Solve for x
    x = 4,657,047.43/3,260.60
  6. Step 6: Final answer
    x = 1,428.28

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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.