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Finding the Fourth Proportional to 17,897.40, 26,846.10 and 11,302.20

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Solution

The fourth proportional to 17,897.40, 26,846.10 and 11,302.20 is: 16,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.40 : 26,846.10 = 11,302.20 : x
  2. Step 2: Convert to fraction form
    17,897.40/26,846.10 = 11,302.20/x
  3. Step 3: Cross multiply
    17,897.40x = 26,846.10 × 11,302.20
  4. Step 4: Simplify right side
    17,897.40x = 303,419,991.42
  5. Step 5: Solve for x
    x = 303,419,991.42/17,897.40
  6. Step 6: Final answer
    x = 16,953.30

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Similar ratio
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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.