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Finding the Fourth Proportional to 24,491.20, 36,746.40 and 8,910.40

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Solution

The fourth proportional to 24,491.20, 36,746.40 and 8,910.40 is: 13,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,491.20 : 36,746.40 = 8,910.40 : x
  2. Step 2: Convert to fraction form
    24,491.20/36,746.40 = 8,910.40/x
  3. Step 3: Cross multiply
    24,491.20x = 36,746.40 × 8,910.40
  4. Step 4: Simplify right side
    24,491.20x = 327,425,122.56
  5. Step 5: Solve for x
    x = 327,425,122.56/24,491.20
  6. Step 6: Final answer
    x = 13,369.09

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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.