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Finding the Fourth Proportional to 1,517.67, 2,094.98 and 958.02

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Solution

The fourth proportional to 1,517.67, 2,094.98 and 958.02 is: 1,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.67 : 2,094.98 = 958.02 : x
  2. Step 2: Convert to fraction form
    1,517.67/2,094.98 = 958.02/x
  3. Step 3: Cross multiply
    1,517.67x = 2,094.98 × 958.02
  4. Step 4: Simplify right side
    1,517.67x = 2,007,027.95
  5. Step 5: Solve for x
    x = 2,007,027.95/1,517.67
  6. Step 6: Final answer
    x = 1,322.44

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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.