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Finding the Fourth Proportional to 68,598.36, 94,669.40 and 38,381.88

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Solution

The fourth proportional to 68,598.36, 94,669.40 and 38,381.88 is: 52,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,598.36 : 94,669.40 = 38,381.88 : x
  2. Step 2: Convert to fraction form
    68,598.36/94,669.40 = 38,381.88/x
  3. Step 3: Cross multiply
    68,598.36x = 94,669.40 × 38,381.88
  4. Step 4: Simplify right side
    68,598.36x = 3,633,589,550.47
  5. Step 5: Solve for x
    x = 3,633,589,550.47/68,598.36
  6. Step 6: Final answer
    x = 52,969.04

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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.