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Finding the Fourth Proportional to 1,759.56, 2,636.10 and 1,565.16

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Solution

The fourth proportional to 1,759.56, 2,636.10 and 1,565.16 is: 2,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.56 : 2,636.10 = 1,565.16 : x
  2. Step 2: Convert to fraction form
    1,759.56/2,636.10 = 1,565.16/x
  3. Step 3: Cross multiply
    1,759.56x = 2,636.10 × 1,565.16
  4. Step 4: Simplify right side
    1,759.56x = 4,125,918.28
  5. Step 5: Solve for x
    x = 4,125,918.28/1,759.56
  6. Step 6: Final answer
    x = 2,344.86

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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.