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Finding the Fourth Proportional to 8,906.76, 13,360.14 and 3,063.42

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Solution

The fourth proportional to 8,906.76, 13,360.14 and 3,063.42 is: 4,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.76 : 13,360.14 = 3,063.42 : x
  2. Step 2: Convert to fraction form
    8,906.76/13,360.14 = 3,063.42/x
  3. Step 3: Cross multiply
    8,906.76x = 13,360.14 × 3,063.42
  4. Step 4: Simplify right side
    8,906.76x = 40,927,720.08
  5. Step 5: Solve for x
    x = 40,927,720.08/8,906.76
  6. Step 6: Final answer
    x = 4,595.13

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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.