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Finding the Fourth Proportional to 10,865.84, 14,994.18 and 6,019.61

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Solution

The fourth proportional to 10,865.84, 14,994.18 and 6,019.61 is: 8,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.84 : 14,994.18 = 6,019.61 : x
  2. Step 2: Convert to fraction form
    10,865.84/14,994.18 = 6,019.61/x
  3. Step 3: Cross multiply
    10,865.84x = 14,994.18 × 6,019.61
  4. Step 4: Simplify right side
    10,865.84x = 90,259,040.90
  5. Step 5: Solve for x
    x = 90,259,040.90/10,865.84
  6. Step 6: Final answer
    x = 8,306.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.