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Finding the Fourth Proportional to 3,339.94, 5,009.96 and 3,136.99

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Solution

The fourth proportional to 3,339.94, 5,009.96 and 3,136.99 is: 4,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.94 : 5,009.96 = 3,136.99 : x
  2. Step 2: Convert to fraction form
    3,339.94/5,009.96 = 3,136.99/x
  3. Step 3: Cross multiply
    3,339.94x = 5,009.96 × 3,136.99
  4. Step 4: Simplify right side
    3,339.94x = 15,716,194.42
  5. Step 5: Solve for x
    x = 15,716,194.42/3,339.94
  6. Step 6: Final answer
    x = 4,705.53

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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.