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Finding the Fourth Proportional to 22,682.40, 34,021.20 and 7,099.20

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Solution

The fourth proportional to 22,682.40, 34,021.20 and 7,099.20 is: 10,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.40 : 34,021.20 = 7,099.20 : x
  2. Step 2: Convert to fraction form
    22,682.40/34,021.20 = 7,099.20/x
  3. Step 3: Cross multiply
    22,682.40x = 34,021.20 × 7,099.20
  4. Step 4: Simplify right side
    22,682.40x = 241,523,303.04
  5. Step 5: Solve for x
    x = 241,523,303.04/22,682.40
  6. Step 6: Final answer
    x = 10,648.05

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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.