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Finding the Fourth Proportional to 66,234.88, 91,381.80 and 37,551.44

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Solution

The fourth proportional to 66,234.88, 91,381.80 and 37,551.44 is: 51,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.88 : 91,381.80 = 37,551.44 : x
  2. Step 2: Convert to fraction form
    66,234.88/91,381.80 = 37,551.44/x
  3. Step 3: Cross multiply
    66,234.88x = 91,381.80 × 37,551.44
  4. Step 4: Simplify right side
    66,234.88x = 3,431,518,179.79
  5. Step 5: Solve for x
    x = 3,431,518,179.79/66,234.88
  6. Step 6: Final answer
    x = 51,808.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.