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Finding the Fourth Proportional to 9,335.54, 14,003.32 and 8,765.30

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Solution

The fourth proportional to 9,335.54, 14,003.32 and 8,765.30 is: 13,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.54 : 14,003.32 = 8,765.30 : x
  2. Step 2: Convert to fraction form
    9,335.54/14,003.32 = 8,765.30/x
  3. Step 3: Cross multiply
    9,335.54x = 14,003.32 × 8,765.30
  4. Step 4: Simplify right side
    9,335.54x = 122,743,300.80
  5. Step 5: Solve for x
    x = 122,743,300.80/9,335.54
  6. Step 6: Final answer
    x = 13,147.96

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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.