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Finding the Fourth Proportional to 8,468.34, 12,697.08 and 2,845.32

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Solution

The fourth proportional to 8,468.34, 12,697.08 and 2,845.32 is: 4,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.34 : 12,697.08 = 2,845.32 : x
  2. Step 2: Convert to fraction form
    8,468.34/12,697.08 = 2,845.32/x
  3. Step 3: Cross multiply
    8,468.34x = 12,697.08 × 2,845.32
  4. Step 4: Simplify right side
    8,468.34x = 36,127,255.67
  5. Step 5: Solve for x
    x = 36,127,255.67/8,468.34
  6. Step 6: Final answer
    x = 4,266.16

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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.