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Finding the Fourth Proportional to 44,115, 66,156.18 and 14,524.20

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Solution

The fourth proportional to 44,115, 66,156.18 and 14,524.20 is: 21,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,115 : 66,156.18 = 14,524.20 : x
  2. Step 2: Convert to fraction form
    44,115/66,156.18 = 14,524.20/x
  3. Step 3: Cross multiply
    44,115x = 66,156.18 × 14,524.20
  4. Step 4: Simplify right side
    44,115x = 960,865,589.56
  5. Step 5: Solve for x
    x = 960,865,589.56/44,115
  6. Step 6: Final answer
    x = 21,780.93

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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.