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Finding the Fourth Proportional to 2,962.87, 4,445.08 and 882.79

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Solution

The fourth proportional to 2,962.87, 4,445.08 and 882.79 is: 1,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.87 : 4,445.08 = 882.79 : x
  2. Step 2: Convert to fraction form
    2,962.87/4,445.08 = 882.79/x
  3. Step 3: Cross multiply
    2,962.87x = 4,445.08 × 882.79
  4. Step 4: Simplify right side
    2,962.87x = 3,924,058.85
  5. Step 5: Solve for x
    x = 3,924,058.85/2,962.87
  6. Step 6: Final answer
    x = 1,324.41

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1.5x scale

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.