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Finding the Fourth Proportional to 17,365.60, 23,964.50 and 9,407.86

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Solution

The fourth proportional to 17,365.60, 23,964.50 and 9,407.86 is: 12,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,365.60 : 23,964.50 = 9,407.86 : x
  2. Step 2: Convert to fraction form
    17,365.60/23,964.50 = 9,407.86/x
  3. Step 3: Cross multiply
    17,365.60x = 23,964.50 × 9,407.86
  4. Step 4: Simplify right side
    17,365.60x = 225,454,624.58
  5. Step 5: Solve for x
    x = 225,454,624.58/17,365.60
  6. Step 6: Final answer
    x = 12,982.83

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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.