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Finding the Fourth Proportional to 9,329.66, 13,998.13 and 3,484.90

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Solution

The fourth proportional to 9,329.66, 13,998.13 and 3,484.90 is: 5,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.66 : 13,998.13 = 3,484.90 : x
  2. Step 2: Convert to fraction form
    9,329.66/13,998.13 = 3,484.90/x
  3. Step 3: Cross multiply
    9,329.66x = 13,998.13 × 3,484.90
  4. Step 4: Simplify right side
    9,329.66x = 48,782,039.53
  5. Step 5: Solve for x
    x = 48,782,039.53/9,329.66
  6. Step 6: Final answer
    x = 5,228.71

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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.