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Finding the Fourth Proportional to 45,146.70, 67,745.97 and 35,258.22

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Solution

The fourth proportional to 45,146.70, 67,745.97 and 35,258.22 is: 52,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146.70 : 67,745.97 = 35,258.22 : x
  2. Step 2: Convert to fraction form
    45,146.70/67,745.97 = 35,258.22/x
  3. Step 3: Cross multiply
    45,146.70x = 67,745.97 × 35,258.22
  4. Step 4: Simplify right side
    45,146.70x = 2,388,602,314.37
  5. Step 5: Solve for x
    x = 2,388,602,314.37/45,146.70
  6. Step 6: Final answer
    x = 52,907.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.