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Finding the Fourth Proportional to 12,703.52, 17,528.46 and 8,232.92

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Solution

The fourth proportional to 12,703.52, 17,528.46 and 8,232.92 is: 11,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.52 : 17,528.46 = 8,232.92 : x
  2. Step 2: Convert to fraction form
    12,703.52/17,528.46 = 8,232.92/x
  3. Step 3: Cross multiply
    12,703.52x = 17,528.46 × 8,232.92
  4. Step 4: Simplify right side
    12,703.52x = 144,310,408.90
  5. Step 5: Solve for x
    x = 144,310,408.90/12,703.52
  6. Step 6: Final answer
    x = 11,359.88

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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.