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Finding the Fourth Proportional to 60,662.61, 90,993.92 and 18,542.81

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Solution

The fourth proportional to 60,662.61, 90,993.92 and 18,542.81 is: 27,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,662.61 : 90,993.92 = 18,542.81 : x
  2. Step 2: Convert to fraction form
    60,662.61/90,993.92 = 18,542.81/x
  3. Step 3: Cross multiply
    60,662.61x = 90,993.92 × 18,542.81
  4. Step 4: Simplify right side
    60,662.61x = 1,687,282,422.03
  5. Step 5: Solve for x
    x = 1,687,282,422.03/60,662.61
  6. Step 6: Final answer
    x = 27,814.21

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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.