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Finding the Fourth Proportional to 36,540.68, 54,810.84 and 8,838.68

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Solution

The fourth proportional to 36,540.68, 54,810.84 and 8,838.68 is: 13,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.68 : 54,810.84 = 8,838.68 : x
  2. Step 2: Convert to fraction form
    36,540.68/54,810.84 = 8,838.68/x
  3. Step 3: Cross multiply
    36,540.68x = 54,810.84 × 8,838.68
  4. Step 4: Simplify right side
    36,540.68x = 484,455,475.29
  5. Step 5: Solve for x
    x = 484,455,475.29/36,540.68
  6. Step 6: Final answer
    x = 13,257.98

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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.