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Finding the Fourth Proportional to 29,892.20, 44,834.70 and 12,360.20

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Solution

The fourth proportional to 29,892.20, 44,834.70 and 12,360.20 is: 18,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892.20 : 44,834.70 = 12,360.20 : x
  2. Step 2: Convert to fraction form
    29,892.20/44,834.70 = 12,360.20/x
  3. Step 3: Cross multiply
    29,892.20x = 44,834.70 × 12,360.20
  4. Step 4: Simplify right side
    29,892.20x = 554,165,858.94
  5. Step 5: Solve for x
    x = 554,165,858.94/29,892.20
  6. Step 6: Final answer
    x = 18,538.81

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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.