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Finding the Fourth Proportional to 61,558.98, 84,983.51 and 43,696.66

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Solution

The fourth proportional to 61,558.98, 84,983.51 and 43,696.66 is: 60,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,558.98 : 84,983.51 = 43,696.66 : x
  2. Step 2: Convert to fraction form
    61,558.98/84,983.51 = 43,696.66/x
  3. Step 3: Cross multiply
    61,558.98x = 84,983.51 × 43,696.66
  4. Step 4: Simplify right side
    61,558.98x = 3,713,495,197.58
  5. Step 5: Solve for x
    x = 3,713,495,197.58/61,558.98
  6. Step 6: Final answer
    x = 60,324.19

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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.