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Finding the Fourth Proportional to 9,481.86, 14,209.56 and 7,392.33

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Solution

The fourth proportional to 9,481.86, 14,209.56 and 7,392.33 is: 11,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.86 : 14,209.56 = 7,392.33 : x
  2. Step 2: Convert to fraction form
    9,481.86/14,209.56 = 7,392.33/x
  3. Step 3: Cross multiply
    9,481.86x = 14,209.56 × 7,392.33
  4. Step 4: Simplify right side
    9,481.86x = 105,041,756.67
  5. Step 5: Solve for x
    x = 105,041,756.67/9,481.86
  6. Step 6: Final answer
    x = 11,078.18

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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.