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Finding the Fourth Proportional to 17,768.32, 26,630.08 and 9,005.44

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Solution

The fourth proportional to 17,768.32, 26,630.08 and 9,005.44 is: 13,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.32 : 26,630.08 = 9,005.44 : x
  2. Step 2: Convert to fraction form
    17,768.32/26,630.08 = 9,005.44/x
  3. Step 3: Cross multiply
    17,768.32x = 26,630.08 × 9,005.44
  4. Step 4: Simplify right side
    17,768.32x = 239,815,587.64
  5. Step 5: Solve for x
    x = 239,815,587.64/17,768.32
  6. Step 6: Final answer
    x = 13,496.81

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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.