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Finding the Fourth Proportional to 8,595.94, 12,881.75 and 3,660.61

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Solution

The fourth proportional to 8,595.94, 12,881.75 and 3,660.61 is: 5,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.94 : 12,881.75 = 3,660.61 : x
  2. Step 2: Convert to fraction form
    8,595.94/12,881.75 = 3,660.61/x
  3. Step 3: Cross multiply
    8,595.94x = 12,881.75 × 3,660.61
  4. Step 4: Simplify right side
    8,595.94x = 47,155,062.87
  5. Step 5: Solve for x
    x = 47,155,062.87/8,595.94
  6. Step 6: Final answer
    x = 5,485.74

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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.