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Finding the Fourth Proportional to 41,107.80, 61,661.70 and 14,813.40

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Solution

The fourth proportional to 41,107.80, 61,661.70 and 14,813.40 is: 22,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,107.80 : 61,661.70 = 14,813.40 : x
  2. Step 2: Convert to fraction form
    41,107.80/61,661.70 = 14,813.40/x
  3. Step 3: Cross multiply
    41,107.80x = 61,661.70 × 14,813.40
  4. Step 4: Simplify right side
    41,107.80x = 913,419,426.78
  5. Step 5: Solve for x
    x = 913,419,426.78/41,107.80
  6. Step 6: Final answer
    x = 22,220.10

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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.