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Finding the Fourth Proportional to 7,169.88, 10,745.10 and 5,327.94

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Solution

The fourth proportional to 7,169.88, 10,745.10 and 5,327.94 is: 7,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.88 : 10,745.10 = 5,327.94 : x
  2. Step 2: Convert to fraction form
    7,169.88/10,745.10 = 5,327.94/x
  3. Step 3: Cross multiply
    7,169.88x = 10,745.10 × 5,327.94
  4. Step 4: Simplify right side
    7,169.88x = 57,249,248.09
  5. Step 5: Solve for x
    x = 57,249,248.09/7,169.88
  6. Step 6: Final answer
    x = 7,984.69

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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.