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Finding the Fourth Proportional to 17,881.58, 26,802.93 and 7,481.18

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Solution

The fourth proportional to 17,881.58, 26,802.93 and 7,481.18 is: 11,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.58 : 26,802.93 = 7,481.18 : x
  2. Step 2: Convert to fraction form
    17,881.58/26,802.93 = 7,481.18/x
  3. Step 3: Cross multiply
    17,881.58x = 26,802.93 × 7,481.18
  4. Step 4: Simplify right side
    17,881.58x = 200,517,543.86
  5. Step 5: Solve for x
    x = 200,517,543.86/17,881.58
  6. Step 6: Final answer
    x = 11,213.64

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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.