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Finding the Fourth Proportional to 15,881.18, 23,822.93 and 5,351.22

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Solution

The fourth proportional to 15,881.18, 23,822.93 and 5,351.22 is: 8,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.18 : 23,822.93 = 5,351.22 : x
  2. Step 2: Convert to fraction form
    15,881.18/23,822.93 = 5,351.22/x
  3. Step 3: Cross multiply
    15,881.18x = 23,822.93 × 5,351.22
  4. Step 4: Simplify right side
    15,881.18x = 127,481,739.47
  5. Step 5: Solve for x
    x = 127,481,739.47/15,881.18
  6. Step 6: Final answer
    x = 8,027.22

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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.