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Finding the Fourth Proportional to 61,331.33, 84,639.63 and 34,473.75

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Solution

The fourth proportional to 61,331.33, 84,639.63 and 34,473.75 is: 47,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.33 : 84,639.63 = 34,473.75 : x
  2. Step 2: Convert to fraction form
    61,331.33/84,639.63 = 34,473.75/x
  3. Step 3: Cross multiply
    61,331.33x = 84,639.63 × 34,473.75
  4. Step 4: Simplify right side
    61,331.33x = 2,917,845,444.71
  5. Step 5: Solve for x
    x = 2,917,845,444.71/61,331.33
  6. Step 6: Final answer
    x = 47,575.12

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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.