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Finding the Fourth Proportional to 9,067.69, 13,598.65 and 2,910.25

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Solution

The fourth proportional to 9,067.69, 13,598.65 and 2,910.25 is: 4,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.69 : 13,598.65 = 2,910.25 : x
  2. Step 2: Convert to fraction form
    9,067.69/13,598.65 = 2,910.25/x
  3. Step 3: Cross multiply
    9,067.69x = 13,598.65 × 2,910.25
  4. Step 4: Simplify right side
    9,067.69x = 39,575,471.16
  5. Step 5: Solve for x
    x = 39,575,471.16/9,067.69
  6. Step 6: Final answer
    x = 4,364.45

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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.