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Finding the Fourth Proportional to 61,693.84, 85,136.02 and 34,835.46

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Solution

The fourth proportional to 61,693.84, 85,136.02 and 34,835.46 is: 48,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,693.84 : 85,136.02 = 34,835.46 : x
  2. Step 2: Convert to fraction form
    61,693.84/85,136.02 = 34,835.46/x
  3. Step 3: Cross multiply
    61,693.84x = 85,136.02 × 34,835.46
  4. Step 4: Simplify right side
    61,693.84x = 2,965,752,419.27
  5. Step 5: Solve for x
    x = 2,965,752,419.27/61,693.84
  6. Step 6: Final answer
    x = 48,072.10

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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.