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Finding the Fourth Proportional to 17,368.20, 26,052.30 and 15,472.80

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Solution

The fourth proportional to 17,368.20, 26,052.30 and 15,472.80 is: 23,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.20 : 26,052.30 = 15,472.80 : x
  2. Step 2: Convert to fraction form
    17,368.20/26,052.30 = 15,472.80/x
  3. Step 3: Cross multiply
    17,368.20x = 26,052.30 × 15,472.80
  4. Step 4: Simplify right side
    17,368.20x = 403,102,027.44
  5. Step 5: Solve for x
    x = 403,102,027.44/17,368.20
  6. Step 6: Final answer
    x = 23,209.20

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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.