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Finding the Fourth Proportional to 22,245.57, 33,368.33 and 7,454.50

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Solution

The fourth proportional to 22,245.57, 33,368.33 and 7,454.50 is: 11,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.57 : 33,368.33 = 7,454.50 : x
  2. Step 2: Convert to fraction form
    22,245.57/33,368.33 = 7,454.50/x
  3. Step 3: Cross multiply
    22,245.57x = 33,368.33 × 7,454.50
  4. Step 4: Simplify right side
    22,245.57x = 248,744,151.20
  5. Step 5: Solve for x
    x = 248,744,151.20/22,245.57
  6. Step 6: Final answer
    x = 11,181.74

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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.