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Finding the Fourth Proportional to 40,246.80, 54,828.96 and 40,246.80

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Solution

The fourth proportional to 40,246.80, 54,828.96 and 40,246.80 is: 54,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.80 : 54,828.96 = 40,246.80 : x
  2. Step 2: Convert to fraction form
    40,246.80/54,828.96 = 40,246.80/x
  3. Step 3: Cross multiply
    40,246.80x = 54,828.96 × 40,246.80
  4. Step 4: Simplify right side
    40,246.80x = 2,206,690,187.33
  5. Step 5: Solve for x
    x = 2,206,690,187.33/40,246.80
  6. Step 6: Final answer
    x = 54,828.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.