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Finding the Fourth Proportional to 23,720.93, 32,728.48 and 13,652.22

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Solution

The fourth proportional to 23,720.93, 32,728.48 and 13,652.22 is: 18,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.93 : 32,728.48 = 13,652.22 : x
  2. Step 2: Convert to fraction form
    23,720.93/32,728.48 = 13,652.22/x
  3. Step 3: Cross multiply
    23,720.93x = 32,728.48 × 13,652.22
  4. Step 4: Simplify right side
    23,720.93x = 446,816,375.10
  5. Step 5: Solve for x
    x = 446,816,375.10/23,720.93
  6. Step 6: Final answer
    x = 18,836.38

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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.