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Finding the Fourth Proportional to 3,346.91, 5,020.40 and 882.08

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Solution

The fourth proportional to 3,346.91, 5,020.40 and 882.08 is: 1,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.91 : 5,020.40 = 882.08 : x
  2. Step 2: Convert to fraction form
    3,346.91/5,020.40 = 882.08/x
  3. Step 3: Cross multiply
    3,346.91x = 5,020.40 × 882.08
  4. Step 4: Simplify right side
    3,346.91x = 4,428,394.43
  5. Step 5: Solve for x
    x = 4,428,394.43/3,346.91
  6. Step 6: Final answer
    x = 1,323.13

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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.