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Finding the Fourth Proportional to 15,960.47, 23,939.80 and 7,073.24

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Solution

The fourth proportional to 15,960.47, 23,939.80 and 7,073.24 is: 10,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.47 : 23,939.80 = 7,073.24 : x
  2. Step 2: Convert to fraction form
    15,960.47/23,939.80 = 7,073.24/x
  3. Step 3: Cross multiply
    15,960.47x = 23,939.80 × 7,073.24
  4. Step 4: Simplify right side
    15,960.47x = 169,331,813.57
  5. Step 5: Solve for x
    x = 169,331,813.57/15,960.47
  6. Step 6: Final answer
    x = 10,609.45

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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.