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Finding the Fourth Proportional to 16,240.56, 24,360.56 and 5,147.22

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Solution

The fourth proportional to 16,240.56, 24,360.56 and 5,147.22 is: 7,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.56 : 24,360.56 = 5,147.22 : x
  2. Step 2: Convert to fraction form
    16,240.56/24,360.56 = 5,147.22/x
  3. Step 3: Cross multiply
    16,240.56x = 24,360.56 × 5,147.22
  4. Step 4: Simplify right side
    16,240.56x = 125,389,161.64
  5. Step 5: Solve for x
    x = 125,389,161.64/16,240.56
  6. Step 6: Final answer
    x = 7,720.74

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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.