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Finding the Fourth Proportional to 5,960.80, 8,948.40 and 3,330.40

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Solution

The fourth proportional to 5,960.80, 8,948.40 and 3,330.40 is: 4,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,960.80 : 8,948.40 = 3,330.40 : x
  2. Step 2: Convert to fraction form
    5,960.80/8,948.40 = 3,330.40/x
  3. Step 3: Cross multiply
    5,960.80x = 8,948.40 × 3,330.40
  4. Step 4: Simplify right side
    5,960.80x = 29,801,751.36
  5. Step 5: Solve for x
    x = 29,801,751.36/5,960.80
  6. Step 6: Final answer
    x = 4,999.62

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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.