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Finding the Fourth Proportional to 15,068.14, 20,793.71 and 8,353.71

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Solution

The fourth proportional to 15,068.14, 20,793.71 and 8,353.71 is: 11,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.14 : 20,793.71 = 8,353.71 : x
  2. Step 2: Convert to fraction form
    15,068.14/20,793.71 = 8,353.71/x
  3. Step 3: Cross multiply
    15,068.14x = 20,793.71 × 8,353.71
  4. Step 4: Simplify right side
    15,068.14x = 173,704,644.05
  5. Step 5: Solve for x
    x = 173,704,644.05/15,068.14
  6. Step 6: Final answer
    x = 11,527.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.