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Finding the Fourth Proportional to 61,326.54, 84,631.41 and 34,467.48

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Solution

The fourth proportional to 61,326.54, 84,631.41 and 34,467.48 is: 47,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.54 : 84,631.41 = 34,467.48 : x
  2. Step 2: Convert to fraction form
    61,326.54/84,631.41 = 34,467.48/x
  3. Step 3: Cross multiply
    61,326.54x = 84,631.41 × 34,467.48
  4. Step 4: Simplify right side
    61,326.54x = 2,917,031,431.55
  5. Step 5: Solve for x
    x = 2,917,031,431.55/61,326.54
  6. Step 6: Final answer
    x = 47,565.56

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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.