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Finding the Fourth Proportional to 8,606.61, 12,907.17 and 3,341.25

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Solution

The fourth proportional to 8,606.61, 12,907.17 and 3,341.25 is: 5,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.61 : 12,907.17 = 3,341.25 : x
  2. Step 2: Convert to fraction form
    8,606.61/12,907.17 = 3,341.25/x
  3. Step 3: Cross multiply
    8,606.61x = 12,907.17 × 3,341.25
  4. Step 4: Simplify right side
    8,606.61x = 43,126,081.76
  5. Step 5: Solve for x
    x = 43,126,081.76/8,606.61
  6. Step 6: Final answer
    x = 5,010.81

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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.