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Finding the Fourth Proportional to 39,349.56, 54,300.81 and 21,444.18

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Solution

The fourth proportional to 39,349.56, 54,300.81 and 21,444.18 is: 29,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.56 : 54,300.81 = 21,444.18 : x
  2. Step 2: Convert to fraction form
    39,349.56/54,300.81 = 21,444.18/x
  3. Step 3: Cross multiply
    39,349.56x = 54,300.81 × 21,444.18
  4. Step 4: Simplify right side
    39,349.56x = 1,164,436,343.79
  5. Step 5: Solve for x
    x = 1,164,436,343.79/39,349.56
  6. Step 6: Final answer
    x = 29,592.11

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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.