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Finding the Fourth Proportional to 1,610.83, 2,412.57 and 960.22

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Solution

The fourth proportional to 1,610.83, 2,412.57 and 960.22 is: 1,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.83 : 2,412.57 = 960.22 : x
  2. Step 2: Convert to fraction form
    1,610.83/2,412.57 = 960.22/x
  3. Step 3: Cross multiply
    1,610.83x = 2,412.57 × 960.22
  4. Step 4: Simplify right side
    1,610.83x = 2,316,585.90
  5. Step 5: Solve for x
    x = 2,316,585.90/1,610.83
  6. Step 6: Final answer
    x = 1,438.14

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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.