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Finding the Fourth Proportional to 66,228.41, 91,414.91 and 37,952.93

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Solution

The fourth proportional to 66,228.41, 91,414.91 and 37,952.93 is: 52,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.41 : 91,414.91 = 37,952.93 : x
  2. Step 2: Convert to fraction form
    66,228.41/91,414.91 = 37,952.93/x
  3. Step 3: Cross multiply
    66,228.41x = 91,414.91 × 37,952.93
  4. Step 4: Simplify right side
    66,228.41x = 3,469,463,680.19
  5. Step 5: Solve for x
    x = 3,469,463,680.19/66,228.41
  6. Step 6: Final answer
    x = 52,386.34

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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.