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Finding the Fourth Proportional to 61,637, 85,058.96 and 33,342.68

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Solution

The fourth proportional to 61,637, 85,058.96 and 33,342.68 is: 46,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,637 : 85,058.96 = 33,342.68 : x
  2. Step 2: Convert to fraction form
    61,637/85,058.96 = 33,342.68/x
  3. Step 3: Cross multiply
    61,637x = 85,058.96 × 33,342.68
  4. Step 4: Simplify right side
    61,637x = 2,836,093,684.41
  5. Step 5: Solve for x
    x = 2,836,093,684.41/61,637
  6. Step 6: Final answer
    x = 46,012.84

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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.