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Finding the Fourth Proportional to 19,597.60, 27,044.56 and 11,213.92

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Solution

The fourth proportional to 19,597.60, 27,044.56 and 11,213.92 is: 15,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.60 : 27,044.56 = 11,213.92 : x
  2. Step 2: Convert to fraction form
    19,597.60/27,044.56 = 11,213.92/x
  3. Step 3: Cross multiply
    19,597.60x = 27,044.56 × 11,213.92
  4. Step 4: Simplify right side
    19,597.60x = 303,275,532.28
  5. Step 5: Solve for x
    x = 303,275,532.28/19,597.60
  6. Step 6: Final answer
    x = 15,475.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.