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Finding the Fourth Proportional to 10,111.84, 15,169.04 and 3,955.04

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Solution

The fourth proportional to 10,111.84, 15,169.04 and 3,955.04 is: 5,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.84 : 15,169.04 = 3,955.04 : x
  2. Step 2: Convert to fraction form
    10,111.84/15,169.04 = 3,955.04/x
  3. Step 3: Cross multiply
    10,111.84x = 15,169.04 × 3,955.04
  4. Step 4: Simplify right side
    10,111.84x = 59,994,159.96
  5. Step 5: Solve for x
    x = 59,994,159.96/10,111.84
  6. Step 6: Final answer
    x = 5,933.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.