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Finding the Fourth Proportional to 8,610.58, 12,916.18 and 2,371.07

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Solution

The fourth proportional to 8,610.58, 12,916.18 and 2,371.07 is: 3,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.58 : 12,916.18 = 2,371.07 : x
  2. Step 2: Convert to fraction form
    8,610.58/12,916.18 = 2,371.07/x
  3. Step 3: Cross multiply
    8,610.58x = 12,916.18 × 2,371.07
  4. Step 4: Simplify right side
    8,610.58x = 30,625,208.84
  5. Step 5: Solve for x
    x = 30,625,208.84/8,610.58
  6. Step 6: Final answer
    x = 3,556.70

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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.