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Finding the Fourth Proportional to 12,073.52, 16,661.50 and 7,600.23

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Solution

The fourth proportional to 12,073.52, 16,661.50 and 7,600.23 is: 10,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.52 : 16,661.50 = 7,600.23 : x
  2. Step 2: Convert to fraction form
    12,073.52/16,661.50 = 7,600.23/x
  3. Step 3: Cross multiply
    12,073.52x = 16,661.50 × 7,600.23
  4. Step 4: Simplify right side
    12,073.52x = 126,631,213.14
  5. Step 5: Solve for x
    x = 126,631,213.14/12,073.52
  6. Step 6: Final answer
    x = 10,488.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.