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Finding the Fourth Proportional to 66,065.77, 91,170.82 and 37,384.82

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Solution

The fourth proportional to 66,065.77, 91,170.82 and 37,384.82 is: 51,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.77 : 91,170.82 = 37,384.82 : x
  2. Step 2: Convert to fraction form
    66,065.77/91,170.82 = 37,384.82/x
  3. Step 3: Cross multiply
    66,065.77x = 91,170.82 × 37,384.82
  4. Step 4: Simplify right side
    66,065.77x = 3,408,404,694.95
  5. Step 5: Solve for x
    x = 3,408,404,694.95/66,065.77
  6. Step 6: Final answer
    x = 51,591.08

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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.