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Finding the Fourth Proportional to 11,793.71, 17,693.46 and 9,688.90

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Solution

The fourth proportional to 11,793.71, 17,693.46 and 9,688.90 is: 14,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.71 : 17,693.46 = 9,688.90 : x
  2. Step 2: Convert to fraction form
    11,793.71/17,693.46 = 9,688.90/x
  3. Step 3: Cross multiply
    11,793.71x = 17,693.46 × 9,688.90
  4. Step 4: Simplify right side
    11,793.71x = 171,430,027.68
  5. Step 5: Solve for x
    x = 171,430,027.68/11,793.71
  6. Step 6: Final answer
    x = 14,535.72

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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.