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Finding the Fourth Proportional to 54,810.80, 82,216.20 and 50,922.80

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Solution

The fourth proportional to 54,810.80, 82,216.20 and 50,922.80 is: 76,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.80 : 82,216.20 = 50,922.80 : x
  2. Step 2: Convert to fraction form
    54,810.80/82,216.20 = 50,922.80/x
  3. Step 3: Cross multiply
    54,810.80x = 82,216.20 × 50,922.80
  4. Step 4: Simplify right side
    54,810.80x = 4,186,679,109.36
  5. Step 5: Solve for x
    x = 4,186,679,109.36/54,810.80
  6. Step 6: Final answer
    x = 76,384.20

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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.