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Finding the Fourth Proportional to 43,463.70, 65,194.89 and 12,298.92

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Solution

The fourth proportional to 43,463.70, 65,194.89 and 12,298.92 is: 18,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,463.70 : 65,194.89 = 12,298.92 : x
  2. Step 2: Convert to fraction form
    43,463.70/65,194.89 = 12,298.92/x
  3. Step 3: Cross multiply
    43,463.70x = 65,194.89 × 12,298.92
  4. Step 4: Simplify right side
    43,463.70x = 801,826,736.52
  5. Step 5: Solve for x
    x = 801,826,736.52/43,463.70
  6. Step 6: Final answer
    x = 18,448.19

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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.