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Finding the Fourth Proportional to 61,888.71, 85,406.34 and 33,594.39

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Solution

The fourth proportional to 61,888.71, 85,406.34 and 33,594.39 is: 46,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,888.71 : 85,406.34 = 33,594.39 : x
  2. Step 2: Convert to fraction form
    61,888.71/85,406.34 = 33,594.39/x
  3. Step 3: Cross multiply
    61,888.71x = 85,406.34 × 33,594.39
  4. Step 4: Simplify right side
    61,888.71x = 2,869,174,107.95
  5. Step 5: Solve for x
    x = 2,869,174,107.95/61,888.71
  6. Step 6: Final answer
    x = 46,360.22

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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.