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Finding the Fourth Proportional to 60,713.99, 91,015.85 and 21,249.57

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Solution

The fourth proportional to 60,713.99, 91,015.85 and 21,249.57 is: 31,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,713.99 : 91,015.85 = 21,249.57 : x
  2. Step 2: Convert to fraction form
    60,713.99/91,015.85 = 21,249.57/x
  3. Step 3: Cross multiply
    60,713.99x = 91,015.85 × 21,249.57
  4. Step 4: Simplify right side
    60,713.99x = 1,934,047,675.68
  5. Step 5: Solve for x
    x = 1,934,047,675.68/60,713.99
  6. Step 6: Final answer
    x = 31,855.06

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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.