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Finding the Fourth Proportional to 17,772.32, 26,636.08 and 9,009.44

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Solution

The fourth proportional to 17,772.32, 26,636.08 and 9,009.44 is: 13,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.32 : 26,636.08 = 9,009.44 : x
  2. Step 2: Convert to fraction form
    17,772.32/26,636.08 = 9,009.44/x
  3. Step 3: Cross multiply
    17,772.32x = 26,636.08 × 9,009.44
  4. Step 4: Simplify right side
    17,772.32x = 239,976,164.60
  5. Step 5: Solve for x
    x = 239,976,164.60/17,772.32
  6. Step 6: Final answer
    x = 13,502.80

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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.