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Finding the Fourth Proportional to 8,610.45, 12,916.08 and 3,063.84

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Solution

The fourth proportional to 8,610.45, 12,916.08 and 3,063.84 is: 4,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.45 : 12,916.08 = 3,063.84 : x
  2. Step 2: Convert to fraction form
    8,610.45/12,916.08 = 3,063.84/x
  3. Step 3: Cross multiply
    8,610.45x = 12,916.08 × 3,063.84
  4. Step 4: Simplify right side
    8,610.45x = 39,572,802.55
  5. Step 5: Solve for x
    x = 39,572,802.55/8,610.45
  6. Step 6: Final answer
    x = 4,595.90

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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.