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Finding the Fourth Proportional to 19,766.48, 27,132.48 and 17,478.24

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Solution

The fourth proportional to 19,766.48, 27,132.48 and 17,478.24 is: 23,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.48 : 27,132.48 = 17,478.24 : x
  2. Step 2: Convert to fraction form
    19,766.48/27,132.48 = 17,478.24/x
  3. Step 3: Cross multiply
    19,766.48x = 27,132.48 × 17,478.24
  4. Step 4: Simplify right side
    19,766.48x = 474,227,997.24
  5. Step 5: Solve for x
    x = 474,227,997.24/19,766.48
  6. Step 6: Final answer
    x = 23,991.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.