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Finding the Fourth Proportional to 17,383.60, 26,081.80 and 6,996.40

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Solution

The fourth proportional to 17,383.60, 26,081.80 and 6,996.40 is: 10,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.60 : 26,081.80 = 6,996.40 : x
  2. Step 2: Convert to fraction form
    17,383.60/26,081.80 = 6,996.40/x
  3. Step 3: Cross multiply
    17,383.60x = 26,081.80 × 6,996.40
  4. Step 4: Simplify right side
    17,383.60x = 182,478,705.52
  5. Step 5: Solve for x
    x = 182,478,705.52/17,383.60
  6. Step 6: Final answer
    x = 10,497.18

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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.