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Finding the Fourth Proportional to 8,595.05, 12,867.03 and 4,687.61

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Solution

The fourth proportional to 8,595.05, 12,867.03 and 4,687.61 is: 7,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.05 : 12,867.03 = 4,687.61 : x
  2. Step 2: Convert to fraction form
    8,595.05/12,867.03 = 4,687.61/x
  3. Step 3: Cross multiply
    8,595.05x = 12,867.03 × 4,687.61
  4. Step 4: Simplify right side
    8,595.05x = 60,315,554.16
  5. Step 5: Solve for x
    x = 60,315,554.16/8,595.05
  6. Step 6: Final answer
    x = 7,017.48

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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.