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Finding the Fourth Proportional to 23,308.70, 34,969.86 and 10,836.18

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Solution

The fourth proportional to 23,308.70, 34,969.86 and 10,836.18 is: 16,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,308.70 : 34,969.86 = 10,836.18 : x
  2. Step 2: Convert to fraction form
    23,308.70/34,969.86 = 10,836.18/x
  3. Step 3: Cross multiply
    23,308.70x = 34,969.86 × 10,836.18
  4. Step 4: Simplify right side
    23,308.70x = 378,939,697.53
  5. Step 5: Solve for x
    x = 378,939,697.53/23,308.70
  6. Step 6: Final answer
    x = 16,257.44

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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.