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Finding the Fourth Proportional to 61,651.49, 85,079.05 and 33,357.17

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Solution

The fourth proportional to 61,651.49, 85,079.05 and 33,357.17 is: 46,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.49 : 85,079.05 = 33,357.17 : x
  2. Step 2: Convert to fraction form
    61,651.49/85,079.05 = 33,357.17/x
  3. Step 3: Cross multiply
    61,651.49x = 85,079.05 × 33,357.17
  4. Step 4: Simplify right side
    61,651.49x = 2,837,996,463.59
  5. Step 5: Solve for x
    x = 2,837,996,463.59/61,651.49
  6. Step 6: Final answer
    x = 46,032.90

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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.