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Finding the Fourth Proportional to 36,246.40, 54,353.40 and 14,052.40

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Solution

The fourth proportional to 36,246.40, 54,353.40 and 14,052.40 is: 21,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,246.40 : 54,353.40 = 14,052.40 : x
  2. Step 2: Convert to fraction form
    36,246.40/54,353.40 = 14,052.40/x
  3. Step 3: Cross multiply
    36,246.40x = 54,353.40 × 14,052.40
  4. Step 4: Simplify right side
    36,246.40x = 763,795,718.16
  5. Step 5: Solve for x
    x = 763,795,718.16/36,246.40
  6. Step 6: Final answer
    x = 21,072.32

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Why These Related Problems?

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