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Finding the Fourth Proportional to 34,918.83, 48,212.09 and 32,688.09

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Solution

The fourth proportional to 34,918.83, 48,212.09 and 32,688.09 is: 45,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,918.83 : 48,212.09 = 32,688.09 : x
  2. Step 2: Convert to fraction form
    34,918.83/48,212.09 = 32,688.09/x
  3. Step 3: Cross multiply
    34,918.83x = 48,212.09 × 32,688.09
  4. Step 4: Simplify right side
    34,918.83x = 1,575,960,732.51
  5. Step 5: Solve for x
    x = 1,575,960,732.51/34,918.83
  6. Step 6: Final answer
    x = 45,132.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.