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Finding the Fourth Proportional to 60,652.09, 90,991.98 and 18,538.16

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Solution

The fourth proportional to 60,652.09, 90,991.98 and 18,538.16 is: 27,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,652.09 : 90,991.98 = 18,538.16 : x
  2. Step 2: Convert to fraction form
    60,652.09/90,991.98 = 18,538.16/x
  3. Step 3: Cross multiply
    60,652.09x = 90,991.98 × 18,538.16
  4. Step 4: Simplify right side
    60,652.09x = 1,686,823,791.27
  5. Step 5: Solve for x
    x = 1,686,823,791.27/60,652.09
  6. Step 6: Final answer
    x = 27,811.47

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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.