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Finding the Fourth Proportional to 8,398.02, 12,594.45 and 2,774.68

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Solution

The fourth proportional to 8,398.02, 12,594.45 and 2,774.68 is: 4,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.02 : 12,594.45 = 2,774.68 : x
  2. Step 2: Convert to fraction form
    8,398.02/12,594.45 = 2,774.68/x
  3. Step 3: Cross multiply
    8,398.02x = 12,594.45 × 2,774.68
  4. Step 4: Simplify right side
    8,398.02x = 34,945,568.53
  5. Step 5: Solve for x
    x = 34,945,568.53/8,398.02
  6. Step 6: Final answer
    x = 4,161.17

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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.