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Finding the Fourth Proportional to 1,462.38, 2,017.47 and 958.08

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Solution

The fourth proportional to 1,462.38, 2,017.47 and 958.08 is: 1,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.38 : 2,017.47 = 958.08 : x
  2. Step 2: Convert to fraction form
    1,462.38/2,017.47 = 958.08/x
  3. Step 3: Cross multiply
    1,462.38x = 2,017.47 × 958.08
  4. Step 4: Simplify right side
    1,462.38x = 1,932,897.66
  5. Step 5: Solve for x
    x = 1,932,897.66/1,462.38
  6. Step 6: Final answer
    x = 1,321.75

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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.