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Finding the Fourth Proportional to 8,610.59, 12,916.13 and 2,370.69

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Solution

The fourth proportional to 8,610.59, 12,916.13 and 2,370.69 is: 3,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.59 : 12,916.13 = 2,370.69 : x
  2. Step 2: Convert to fraction form
    8,610.59/12,916.13 = 2,370.69/x
  3. Step 3: Cross multiply
    8,610.59x = 12,916.13 × 2,370.69
  4. Step 4: Simplify right side
    8,610.59x = 30,620,184.71
  5. Step 5: Solve for x
    x = 30,620,184.71/8,610.59
  6. Step 6: Final answer
    x = 3,556.11

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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.