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Finding the Fourth Proportional to 61,516.76, 84,887.05 and 34,664.04

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Solution

The fourth proportional to 61,516.76, 84,887.05 and 34,664.04 is: 47,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,516.76 : 84,887.05 = 34,664.04 : x
  2. Step 2: Convert to fraction form
    61,516.76/84,887.05 = 34,664.04/x
  3. Step 3: Cross multiply
    61,516.76x = 84,887.05 × 34,664.04
  4. Step 4: Simplify right side
    61,516.76x = 2,942,528,096.68
  5. Step 5: Solve for x
    x = 2,942,528,096.68/61,516.76
  6. Step 6: Final answer
    x = 47,832.95

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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.