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Finding the Fourth Proportional to 45,554.80, 68,268.20 and 36,210.80

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Solution

The fourth proportional to 45,554.80, 68,268.20 and 36,210.80 is: 54,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554.80 : 68,268.20 = 36,210.80 : x
  2. Step 2: Convert to fraction form
    45,554.80/68,268.20 = 36,210.80/x
  3. Step 3: Cross multiply
    45,554.80x = 68,268.20 × 36,210.80
  4. Step 4: Simplify right side
    45,554.80x = 2,472,046,136.56
  5. Step 5: Solve for x
    x = 2,472,046,136.56/45,554.80
  6. Step 6: Final answer
    x = 54,265.33

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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.