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Finding the Fourth Proportional to 61,664.94, 85,098.74 and 34,808.04

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Solution

The fourth proportional to 61,664.94, 85,098.74 and 34,808.04 is: 48,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.94 : 85,098.74 = 34,808.04 : x
  2. Step 2: Convert to fraction form
    61,664.94/85,098.74 = 34,808.04/x
  3. Step 3: Cross multiply
    61,664.94x = 85,098.74 × 34,808.04
  4. Step 4: Simplify right side
    61,664.94x = 2,962,120,171.83
  5. Step 5: Solve for x
    x = 2,962,120,171.83/61,664.94
  6. Step 6: Final answer
    x = 48,035.73

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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.