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Finding the Fourth Proportional to 61,308.54, 84,607.29 and 34,449.44

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Solution

The fourth proportional to 61,308.54, 84,607.29 and 34,449.44 is: 47,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,308.54 : 84,607.29 = 34,449.44 : x
  2. Step 2: Convert to fraction form
    61,308.54/84,607.29 = 34,449.44/x
  3. Step 3: Cross multiply
    61,308.54x = 84,607.29 × 34,449.44
  4. Step 4: Simplify right side
    61,308.54x = 2,914,673,337.38
  5. Step 5: Solve for x
    x = 2,914,673,337.38/61,308.54
  6. Step 6: Final answer
    x = 47,541.07

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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.