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Finding the Fourth Proportional to 27,133.84, 40,689.78 and 10,484.56

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Solution

The fourth proportional to 27,133.84, 40,689.78 and 10,484.56 is: 15,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.84 : 40,689.78 = 10,484.56 : x
  2. Step 2: Convert to fraction form
    27,133.84/40,689.78 = 10,484.56/x
  3. Step 3: Cross multiply
    27,133.84x = 40,689.78 × 10,484.56
  4. Step 4: Simplify right side
    27,133.84x = 426,614,439.80
  5. Step 5: Solve for x
    x = 426,614,439.80/27,133.84
  6. Step 6: Final answer
    x = 15,722.60

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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.