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Finding the Fourth Proportional to 9,359.92, 14,010.68 and 7,960.24

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Solution

The fourth proportional to 9,359.92, 14,010.68 and 7,960.24 is: 11,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.92 : 14,010.68 = 7,960.24 : x
  2. Step 2: Convert to fraction form
    9,359.92/14,010.68 = 7,960.24/x
  3. Step 3: Cross multiply
    9,359.92x = 14,010.68 × 7,960.24
  4. Step 4: Simplify right side
    9,359.92x = 111,528,375.36
  5. Step 5: Solve for x
    x = 111,528,375.36/9,359.92
  6. Step 6: Final answer
    x = 11,915.53

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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.