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Finding the Fourth Proportional to 43,297.29, 64,948.46 and 12,134.97

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Solution

The fourth proportional to 43,297.29, 64,948.46 and 12,134.97 is: 18,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,297.29 : 64,948.46 = 12,134.97 : x
  2. Step 2: Convert to fraction form
    43,297.29/64,948.46 = 12,134.97/x
  3. Step 3: Cross multiply
    43,297.29x = 64,948.46 × 12,134.97
  4. Step 4: Simplify right side
    43,297.29x = 788,147,552.97
  5. Step 5: Solve for x
    x = 788,147,552.97/43,297.29
  6. Step 6: Final answer
    x = 18,203.16

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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.