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Finding the Fourth Proportional to 21,797, 32,713.02 and 11,270.12

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Solution

The fourth proportional to 21,797, 32,713.02 and 11,270.12 is: 16,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797 : 32,713.02 = 11,270.12 : x
  2. Step 2: Convert to fraction form
    21,797/32,713.02 = 11,270.12/x
  3. Step 3: Cross multiply
    21,797x = 32,713.02 × 11,270.12
  4. Step 4: Simplify right side
    21,797x = 368,679,660.96
  5. Step 5: Solve for x
    x = 368,679,660.96/21,797
  6. Step 6: Final answer
    x = 16,914.24

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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.