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Finding the Fourth Proportional to 22,104.77, 33,137.57 and 8,787.08

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Solution

The fourth proportional to 22,104.77, 33,137.57 and 8,787.08 is: 13,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.77 : 33,137.57 = 8,787.08 : x
  2. Step 2: Convert to fraction form
    22,104.77/33,137.57 = 8,787.08/x
  3. Step 3: Cross multiply
    22,104.77x = 33,137.57 × 8,787.08
  4. Step 4: Simplify right side
    22,104.77x = 291,182,583.41
  5. Step 5: Solve for x
    x = 291,182,583.41/22,104.77
  6. Step 6: Final answer
    x = 13,172.84

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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.