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Finding the Fourth Proportional to 1,567.09, 2,350.68 and 873.46

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Solution

The fourth proportional to 1,567.09, 2,350.68 and 873.46 is: 1,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.09 : 2,350.68 = 873.46 : x
  2. Step 2: Convert to fraction form
    1,567.09/2,350.68 = 873.46/x
  3. Step 3: Cross multiply
    1,567.09x = 2,350.68 × 873.46
  4. Step 4: Simplify right side
    1,567.09x = 2,053,224.95
  5. Step 5: Solve for x
    x = 2,053,224.95/1,567.09
  6. Step 6: Final answer
    x = 1,310.22

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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.