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Finding the Fourth Proportional to 1,537.50, 2,302.59 and 886.26

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Solution

The fourth proportional to 1,537.50, 2,302.59 and 886.26 is: 1,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.50 : 2,302.59 = 886.26 : x
  2. Step 2: Convert to fraction form
    1,537.50/2,302.59 = 886.26/x
  3. Step 3: Cross multiply
    1,537.50x = 2,302.59 × 886.26
  4. Step 4: Simplify right side
    1,537.50x = 2,040,693.41
  5. Step 5: Solve for x
    x = 2,040,693.41/1,537.50
  6. Step 6: Final answer
    x = 1,327.28

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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.