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Finding the Fourth Proportional to 66,634.88, 91,950.72 and 36,826.88

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Solution

The fourth proportional to 66,634.88, 91,950.72 and 36,826.88 is: 50,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,634.88 : 91,950.72 = 36,826.88 : x
  2. Step 2: Convert to fraction form
    66,634.88/91,950.72 = 36,826.88/x
  3. Step 3: Cross multiply
    66,634.88x = 91,950.72 × 36,826.88
  4. Step 4: Simplify right side
    66,634.88x = 3,386,258,131.35
  5. Step 5: Solve for x
    x = 3,386,258,131.35/66,634.88
  6. Step 6: Final answer
    x = 50,818.10

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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.