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Finding the Fourth Proportional to 9,170.69, 13,756.95 and 3,327.76

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Solution

The fourth proportional to 9,170.69, 13,756.95 and 3,327.76 is: 4,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.69 : 13,756.95 = 3,327.76 : x
  2. Step 2: Convert to fraction form
    9,170.69/13,756.95 = 3,327.76/x
  3. Step 3: Cross multiply
    9,170.69x = 13,756.95 × 3,327.76
  4. Step 4: Simplify right side
    9,170.69x = 45,779,750.83
  5. Step 5: Solve for x
    x = 45,779,750.83/9,170.69
  6. Step 6: Final answer
    x = 4,991.96

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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.