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Finding the Fourth Proportional to 69,697.95, 96,191.43 and 41,403.75

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Solution

The fourth proportional to 69,697.95, 96,191.43 and 41,403.75 is: 57,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.95 : 96,191.43 = 41,403.75 : x
  2. Step 2: Convert to fraction form
    69,697.95/96,191.43 = 41,403.75/x
  3. Step 3: Cross multiply
    69,697.95x = 96,191.43 × 41,403.75
  4. Step 4: Simplify right side
    69,697.95x = 3,982,685,919.86
  5. Step 5: Solve for x
    x = 3,982,685,919.86/69,697.95
  6. Step 6: Final answer
    x = 57,142.08

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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.