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Finding the Fourth Proportional to 65,235.75, 90,022.65 and 38,014.44

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Solution

The fourth proportional to 65,235.75, 90,022.65 and 38,014.44 is: 52,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.75 : 90,022.65 = 38,014.44 : x
  2. Step 2: Convert to fraction form
    65,235.75/90,022.65 = 38,014.44/x
  3. Step 3: Cross multiply
    65,235.75x = 90,022.65 × 38,014.44
  4. Step 4: Simplify right side
    65,235.75x = 3,422,160,627.07
  5. Step 5: Solve for x
    x = 3,422,160,627.07/65,235.75
  6. Step 6: Final answer
    x = 52,458.36

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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.