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Finding the Fourth Proportional to 36,304.20, 54,415.80 and 14,110.20

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Solution

The fourth proportional to 36,304.20, 54,415.80 and 14,110.20 is: 21,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,304.20 : 54,415.80 = 14,110.20 : x
  2. Step 2: Convert to fraction form
    36,304.20/54,415.80 = 14,110.20/x
  3. Step 3: Cross multiply
    36,304.20x = 54,415.80 × 14,110.20
  4. Step 4: Simplify right side
    36,304.20x = 767,817,821.16
  5. Step 5: Solve for x
    x = 767,817,821.16/36,304.20
  6. Step 6: Final answer
    x = 21,149.56

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1.5x scale

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.