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Finding the Fourth Proportional to 61,294.43, 84,594.84 and 34,439.02

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Solution

The fourth proportional to 61,294.43, 84,594.84 and 34,439.02 is: 47,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,294.43 : 84,594.84 = 34,439.02 : x
  2. Step 2: Convert to fraction form
    61,294.43/84,594.84 = 34,439.02/x
  3. Step 3: Cross multiply
    61,294.43x = 84,594.84 × 34,439.02
  4. Step 4: Simplify right side
    61,294.43x = 2,913,362,963.68
  5. Step 5: Solve for x
    x = 2,913,362,963.68/61,294.43
  6. Step 6: Final answer
    x = 47,530.63

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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.