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Finding the Fourth Proportional to 60,690.88, 83,755.98 and 33,833.36

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Solution

The fourth proportional to 60,690.88, 83,755.98 and 33,833.36 is: 46,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.88 : 83,755.98 = 33,833.36 : x
  2. Step 2: Convert to fraction form
    60,690.88/83,755.98 = 33,833.36/x
  3. Step 3: Cross multiply
    60,690.88x = 83,755.98 × 33,833.36
  4. Step 4: Simplify right side
    60,690.88x = 2,833,746,223.49
  5. Step 5: Solve for x
    x = 2,833,746,223.49/60,690.88
  6. Step 6: Final answer
    x = 46,691.47

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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.