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Finding the Fourth Proportional to 22,961.25, 34,441.74 and 7,378.92

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Solution

The fourth proportional to 22,961.25, 34,441.74 and 7,378.92 is: 11,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961.25 : 34,441.74 = 7,378.92 : x
  2. Step 2: Convert to fraction form
    22,961.25/34,441.74 = 7,378.92/x
  3. Step 3: Cross multiply
    22,961.25x = 34,441.74 × 7,378.92
  4. Step 4: Simplify right side
    22,961.25x = 254,142,844.12
  5. Step 5: Solve for x
    x = 254,142,844.12/22,961.25
  6. Step 6: Final answer
    x = 11,068.34

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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.