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Finding the Fourth Proportional to 61,351.89, 84,665.51 and 34,494.45

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Solution

The fourth proportional to 61,351.89, 84,665.51 and 34,494.45 is: 47,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,351.89 : 84,665.51 = 34,494.45 : x
  2. Step 2: Convert to fraction form
    61,351.89/84,665.51 = 34,494.45/x
  3. Step 3: Cross multiply
    61,351.89x = 84,665.51 × 34,494.45
  4. Step 4: Simplify right side
    61,351.89x = 2,920,490,028.95
  5. Step 5: Solve for x
    x = 2,920,490,028.95/61,351.89
  6. Step 6: Final answer
    x = 47,602.28

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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.