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Finding the Fourth Proportional to 8,960.80, 13,425.92 and 5,836.08

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Solution

The fourth proportional to 8,960.80, 13,425.92 and 5,836.08 is: 8,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.80 : 13,425.92 = 5,836.08 : x
  2. Step 2: Convert to fraction form
    8,960.80/13,425.92 = 5,836.08/x
  3. Step 3: Cross multiply
    8,960.80x = 13,425.92 × 5,836.08
  4. Step 4: Simplify right side
    8,960.80x = 78,354,743.19
  5. Step 5: Solve for x
    x = 78,354,743.19/8,960.80
  6. Step 6: Final answer
    x = 8,744.17

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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.