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Finding the Fourth Proportional to 11,560.73, 15,953.78 and 6,255.64

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Solution

The fourth proportional to 11,560.73, 15,953.78 and 6,255.64 is: 8,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.73 : 15,953.78 = 6,255.64 : x
  2. Step 2: Convert to fraction form
    11,560.73/15,953.78 = 6,255.64/x
  3. Step 3: Cross multiply
    11,560.73x = 15,953.78 × 6,255.64
  4. Step 4: Simplify right side
    11,560.73x = 99,801,104.32
  5. Step 5: Solve for x
    x = 99,801,104.32/11,560.73
  6. Step 6: Final answer
    x = 8,632.77

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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.