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Finding the Fourth Proportional to 19,772.84, 29,693.18 and 17,556.68

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Solution

The fourth proportional to 19,772.84, 29,693.18 and 17,556.68 is: 26,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.84 : 29,693.18 = 17,556.68 : x
  2. Step 2: Convert to fraction form
    19,772.84/29,693.18 = 17,556.68/x
  3. Step 3: Cross multiply
    19,772.84x = 29,693.18 × 17,556.68
  4. Step 4: Simplify right side
    19,772.84x = 521,313,659.44
  5. Step 5: Solve for x
    x = 521,313,659.44/19,772.84
  6. Step 6: Final answer
    x = 26,365.14

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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.