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Finding the Fourth Proportional to 1,543.26, 2,314.19 and 958.24

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Solution

The fourth proportional to 1,543.26, 2,314.19 and 958.24 is: 1,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.26 : 2,314.19 = 958.24 : x
  2. Step 2: Convert to fraction form
    1,543.26/2,314.19 = 958.24/x
  3. Step 3: Cross multiply
    1,543.26x = 2,314.19 × 958.24
  4. Step 4: Simplify right side
    1,543.26x = 2,217,533.06
  5. Step 5: Solve for x
    x = 2,217,533.06/1,543.26
  6. Step 6: Final answer
    x = 1,436.91

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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.