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Finding the Fourth Proportional to 19,797.59, 27,321.43 and 11,301.10

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Solution

The fourth proportional to 19,797.59, 27,321.43 and 11,301.10 is: 15,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.59 : 27,321.43 = 11,301.10 : x
  2. Step 2: Convert to fraction form
    19,797.59/27,321.43 = 11,301.10/x
  3. Step 3: Cross multiply
    19,797.59x = 27,321.43 × 11,301.10
  4. Step 4: Simplify right side
    19,797.59x = 308,762,212.57
  5. Step 5: Solve for x
    x = 308,762,212.57/19,797.59
  6. Step 6: Final answer
    x = 15,595.95

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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.