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Finding the Fourth Proportional to 22,359.80, 33,539.70 and 6,777.42

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Solution

The fourth proportional to 22,359.80, 33,539.70 and 6,777.42 is: 10,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.80 : 33,539.70 = 6,777.42 : x
  2. Step 2: Convert to fraction form
    22,359.80/33,539.70 = 6,777.42/x
  3. Step 3: Cross multiply
    22,359.80x = 33,539.70 × 6,777.42
  4. Step 4: Simplify right side
    22,359.80x = 227,312,664.69
  5. Step 5: Solve for x
    x = 227,312,664.69/22,359.80
  6. Step 6: Final answer
    x = 10,166.13

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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.