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Finding the Fourth Proportional to 2,294.80, 3,445.80 and 1,567.60

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Solution

The fourth proportional to 2,294.80, 3,445.80 and 1,567.60 is: 2,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.80 : 3,445.80 = 1,567.60 : x
  2. Step 2: Convert to fraction form
    2,294.80/3,445.80 = 1,567.60/x
  3. Step 3: Cross multiply
    2,294.80x = 3,445.80 × 1,567.60
  4. Step 4: Simplify right side
    2,294.80x = 5,401,636.08
  5. Step 5: Solve for x
    x = 5,401,636.08/2,294.80
  6. Step 6: Final answer
    x = 2,353.86

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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.