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Finding the Fourth Proportional to 23,216.40, 34,824.60 and 22,147.20

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Solution

The fourth proportional to 23,216.40, 34,824.60 and 22,147.20 is: 33,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,216.40 : 34,824.60 = 22,147.20 : x
  2. Step 2: Convert to fraction form
    23,216.40/34,824.60 = 22,147.20/x
  3. Step 3: Cross multiply
    23,216.40x = 34,824.60 × 22,147.20
  4. Step 4: Simplify right side
    23,216.40x = 771,267,381.12
  5. Step 5: Solve for x
    x = 771,267,381.12/23,216.40
  6. Step 6: Final answer
    x = 33,220.80

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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.