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Finding the Fourth Proportional to 34,998.80, 52,464.60 and 11,613.20

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Solution

The fourth proportional to 34,998.80, 52,464.60 and 11,613.20 is: 17,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,998.80 : 52,464.60 = 11,613.20 : x
  2. Step 2: Convert to fraction form
    34,998.80/52,464.60 = 11,613.20/x
  3. Step 3: Cross multiply
    34,998.80x = 52,464.60 × 11,613.20
  4. Step 4: Simplify right side
    34,998.80x = 609,281,892.72
  5. Step 5: Solve for x
    x = 609,281,892.72/34,998.80
  6. Step 6: Final answer
    x = 17,408.65

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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.