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Finding the Fourth Proportional to 9,765.07, 14,649.14 and 3,189.73

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Solution

The fourth proportional to 9,765.07, 14,649.14 and 3,189.73 is: 4,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.07 : 14,649.14 = 3,189.73 : x
  2. Step 2: Convert to fraction form
    9,765.07/14,649.14 = 3,189.73/x
  3. Step 3: Cross multiply
    9,765.07x = 14,649.14 × 3,189.73
  4. Step 4: Simplify right side
    9,765.07x = 46,726,801.33
  5. Step 5: Solve for x
    x = 46,726,801.33/9,765.07
  6. Step 6: Final answer
    x = 4,785.10

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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.