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Finding the Fourth Proportional to 1,520.93, 2,097.96 and 960.95

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Solution

The fourth proportional to 1,520.93, 2,097.96 and 960.95 is: 1,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.93 : 2,097.96 = 960.95 : x
  2. Step 2: Convert to fraction form
    1,520.93/2,097.96 = 960.95/x
  3. Step 3: Cross multiply
    1,520.93x = 2,097.96 × 960.95
  4. Step 4: Simplify right side
    1,520.93x = 2,016,034.66
  5. Step 5: Solve for x
    x = 2,016,034.66/1,520.93
  6. Step 6: Final answer
    x = 1,325.53

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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.