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Finding the Fourth Proportional to 66,797.61, 92,195.87 and 41,642.25

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Solution

The fourth proportional to 66,797.61, 92,195.87 and 41,642.25 is: 57,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,797.61 : 92,195.87 = 41,642.25 : x
  2. Step 2: Convert to fraction form
    66,797.61/92,195.87 = 41,642.25/x
  3. Step 3: Cross multiply
    66,797.61x = 92,195.87 × 41,642.25
  4. Step 4: Simplify right side
    66,797.61x = 3,839,243,467.51
  5. Step 5: Solve for x
    x = 3,839,243,467.51/66,797.61
  6. Step 6: Final answer
    x = 57,475.76

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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.