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Finding the Fourth Proportional to 22,043.28, 33,039 and 8,878.08

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Solution

The fourth proportional to 22,043.28, 33,039 and 8,878.08 is: 13,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.28 : 33,039 = 8,878.08 : x
  2. Step 2: Convert to fraction form
    22,043.28/33,039 = 8,878.08/x
  3. Step 3: Cross multiply
    22,043.28x = 33,039 × 8,878.08
  4. Step 4: Simplify right side
    22,043.28x = 293,322,885.12
  5. Step 5: Solve for x
    x = 293,322,885.12/22,043.28
  6. Step 6: Final answer
    x = 13,306.68

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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.