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Finding the Fourth Proportional to 2,370.62, 3,556.14 and 615.62

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Solution

The fourth proportional to 2,370.62, 3,556.14 and 615.62 is: 923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.62 : 3,556.14 = 615.62 : x
  2. Step 2: Convert to fraction form
    2,370.62/3,556.14 = 615.62/x
  3. Step 3: Cross multiply
    2,370.62x = 3,556.14 × 615.62
  4. Step 4: Simplify right side
    2,370.62x = 2,189,213.13
  5. Step 5: Solve for x
    x = 2,189,213.13/2,370.62
  6. Step 6: Final answer
    x = 923.48

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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.