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Finding the Fourth Proportional to 65,147.03, 89,895.32 and 36,468.28

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Solution

The fourth proportional to 65,147.03, 89,895.32 and 36,468.28 is: 50,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,147.03 : 89,895.32 = 36,468.28 : x
  2. Step 2: Convert to fraction form
    65,147.03/89,895.32 = 36,468.28/x
  3. Step 3: Cross multiply
    65,147.03x = 89,895.32 × 36,468.28
  4. Step 4: Simplify right side
    65,147.03x = 3,278,327,261.57
  5. Step 5: Solve for x
    x = 3,278,327,261.57/65,147.03
  6. Step 6: Final answer
    x = 50,321.97

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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.