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Finding the Fourth Proportional to 43,863.60, 65,758.52 and 17,554

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Solution

The fourth proportional to 43,863.60, 65,758.52 and 17,554 is: 26,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,863.60 : 65,758.52 = 17,554 : x
  2. Step 2: Convert to fraction form
    43,863.60/65,758.52 = 17,554/x
  3. Step 3: Cross multiply
    43,863.60x = 65,758.52 × 17,554
  4. Step 4: Simplify right side
    43,863.60x = 1,154,325,060.08
  5. Step 5: Solve for x
    x = 1,154,325,060.08/43,863.60
  6. Step 6: Final answer
    x = 26,316.24

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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.