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Finding the Fourth Proportional to 12,060.77, 16,645.09 and 6,956.48

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Solution

The fourth proportional to 12,060.77, 16,645.09 and 6,956.48 is: 9,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.77 : 16,645.09 = 6,956.48 : x
  2. Step 2: Convert to fraction form
    12,060.77/16,645.09 = 6,956.48/x
  3. Step 3: Cross multiply
    12,060.77x = 16,645.09 × 6,956.48
  4. Step 4: Simplify right side
    12,060.77x = 115,791,235.68
  5. Step 5: Solve for x
    x = 115,791,235.68/12,060.77
  6. Step 6: Final answer
    x = 9,600.65

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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.