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Finding the Fourth Proportional to 22,175.67, 33,264.88 and 7,385.91

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Solution

The fourth proportional to 22,175.67, 33,264.88 and 7,385.91 is: 11,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.67 : 33,264.88 = 7,385.91 : x
  2. Step 2: Convert to fraction form
    22,175.67/33,264.88 = 7,385.91/x
  3. Step 3: Cross multiply
    22,175.67x = 33,264.88 × 7,385.91
  4. Step 4: Simplify right side
    22,175.67x = 245,691,409.84
  5. Step 5: Solve for x
    x = 245,691,409.84/22,175.67
  6. Step 6: Final answer
    x = 11,079.32

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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.