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Finding the Fourth Proportional to 61,091.58, 84,357.71 and 45,957.94

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Solution

The fourth proportional to 61,091.58, 84,357.71 and 45,957.94 is: 63,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,091.58 : 84,357.71 = 45,957.94 : x
  2. Step 2: Convert to fraction form
    61,091.58/84,357.71 = 45,957.94/x
  3. Step 3: Cross multiply
    61,091.58x = 84,357.71 × 45,957.94
  4. Step 4: Simplify right side
    61,091.58x = 3,876,906,574.72
  5. Step 5: Solve for x
    x = 3,876,906,574.72/61,091.58
  6. Step 6: Final answer
    x = 63,460.57

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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.