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Finding the Fourth Proportional to 13,794.40, 20,679.90 and 5,024.20

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Solution

The fourth proportional to 13,794.40, 20,679.90 and 5,024.20 is: 7,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.40 : 20,679.90 = 5,024.20 : x
  2. Step 2: Convert to fraction form
    13,794.40/20,679.90 = 5,024.20/x
  3. Step 3: Cross multiply
    13,794.40x = 20,679.90 × 5,024.20
  4. Step 4: Simplify right side
    13,794.40x = 103,899,953.58
  5. Step 5: Solve for x
    x = 103,899,953.58/13,794.40
  6. Step 6: Final answer
    x = 7,532.04

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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.