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Finding the Fourth Proportional to 29,287.70, 43,931.55 and 27,329.30

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Solution

The fourth proportional to 29,287.70, 43,931.55 and 27,329.30 is: 40,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.70 : 43,931.55 = 27,329.30 : x
  2. Step 2: Convert to fraction form
    29,287.70/43,931.55 = 27,329.30/x
  3. Step 3: Cross multiply
    29,287.70x = 43,931.55 × 27,329.30
  4. Step 4: Simplify right side
    29,287.70x = 1,200,618,509.42
  5. Step 5: Solve for x
    x = 1,200,618,509.42/29,287.70
  6. Step 6: Final answer
    x = 40,993.95

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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.