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Finding the Fourth Proportional to 17,873.62, 26,810.62 and 5,393.75

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Solution

The fourth proportional to 17,873.62, 26,810.62 and 5,393.75 is: 8,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.62 : 26,810.62 = 5,393.75 : x
  2. Step 2: Convert to fraction form
    17,873.62/26,810.62 = 5,393.75/x
  3. Step 3: Cross multiply
    17,873.62x = 26,810.62 × 5,393.75
  4. Step 4: Simplify right side
    17,873.62x = 144,609,634.09
  5. Step 5: Solve for x
    x = 144,609,634.09/17,873.62
  6. Step 6: Final answer
    x = 8,090.68

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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.