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Finding the Fourth Proportional to 61,959.84, 85,504.27 and 35,102.28

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Solution

The fourth proportional to 61,959.84, 85,504.27 and 35,102.28 is: 48,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,959.84 : 85,504.27 = 35,102.28 : x
  2. Step 2: Convert to fraction form
    61,959.84/85,504.27 = 35,102.28/x
  3. Step 3: Cross multiply
    61,959.84x = 85,504.27 × 35,102.28
  4. Step 4: Simplify right side
    61,959.84x = 3,001,394,826.74
  5. Step 5: Solve for x
    x = 3,001,394,826.74/61,959.84
  6. Step 6: Final answer
    x = 48,440.98

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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.