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Finding the Fourth Proportional to 3,760.47, 5,638.98 and 1,567.89

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Solution

The fourth proportional to 3,760.47, 5,638.98 and 1,567.89 is: 2,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.47 : 5,638.98 = 1,567.89 : x
  2. Step 2: Convert to fraction form
    3,760.47/5,638.98 = 1,567.89/x
  3. Step 3: Cross multiply
    3,760.47x = 5,638.98 × 1,567.89
  4. Step 4: Simplify right side
    3,760.47x = 8,841,300.35
  5. Step 5: Solve for x
    x = 8,841,300.35/3,760.47
  6. Step 6: Final answer
    x = 2,351.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.