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Finding the Fourth Proportional to 10,793.60, 16,171.20 and 9,564.80

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Solution

The fourth proportional to 10,793.60, 16,171.20 and 9,564.80 is: 14,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.60 : 16,171.20 = 9,564.80 : x
  2. Step 2: Convert to fraction form
    10,793.60/16,171.20 = 9,564.80/x
  3. Step 3: Cross multiply
    10,793.60x = 16,171.20 × 9,564.80
  4. Step 4: Simplify right side
    10,793.60x = 154,674,293.76
  5. Step 5: Solve for x
    x = 154,674,293.76/10,793.60
  6. Step 6: Final answer
    x = 14,330.19

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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.