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Finding the Fourth Proportional to 2,962.13, 4,442.88 and 882.14

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Solution

The fourth proportional to 2,962.13, 4,442.88 and 882.14 is: 1,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.13 : 4,442.88 = 882.14 : x
  2. Step 2: Convert to fraction form
    2,962.13/4,442.88 = 882.14/x
  3. Step 3: Cross multiply
    2,962.13x = 4,442.88 × 882.14
  4. Step 4: Simplify right side
    2,962.13x = 3,919,242.16
  5. Step 5: Solve for x
    x = 3,919,242.16/2,962.13
  6. Step 6: Final answer
    x = 1,323.12

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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.