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Finding the Fourth Proportional to 11,507.92, 17,235.92 and 8,060.56

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Solution

The fourth proportional to 11,507.92, 17,235.92 and 8,060.56 is: 12,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.92 : 17,235.92 = 8,060.56 : x
  2. Step 2: Convert to fraction form
    11,507.92/17,235.92 = 8,060.56/x
  3. Step 3: Cross multiply
    11,507.92x = 17,235.92 × 8,060.56
  4. Step 4: Simplify right side
    11,507.92x = 138,931,167.32
  5. Step 5: Solve for x
    x = 138,931,167.32/11,507.92
  6. Step 6: Final answer
    x = 12,072.66

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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.