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Finding the Fourth Proportional to 22,245.66, 33,378.21 and 17,307.90

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Solution

The fourth proportional to 22,245.66, 33,378.21 and 17,307.90 is: 25,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.66 : 33,378.21 = 17,307.90 : x
  2. Step 2: Convert to fraction form
    22,245.66/33,378.21 = 17,307.90/x
  3. Step 3: Cross multiply
    22,245.66x = 33,378.21 × 17,307.90
  4. Step 4: Simplify right side
    22,245.66x = 577,706,720.86
  5. Step 5: Solve for x
    x = 577,706,720.86/22,245.66
  6. Step 6: Final answer
    x = 25,969.41

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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.