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Finding the Fourth Proportional to 74,604.31, 111,909.53 and 22,013.80

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Solution

The fourth proportional to 74,604.31, 111,909.53 and 22,013.80 is: 33,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.31 : 111,909.53 = 22,013.80 : x
  2. Step 2: Convert to fraction form
    74,604.31/111,909.53 = 22,013.80/x
  3. Step 3: Cross multiply
    74,604.31x = 111,909.53 × 22,013.80
  4. Step 4: Simplify right side
    74,604.31x = 2,463,553,786.77
  5. Step 5: Solve for x
    x = 2,463,553,786.77/74,604.31
  6. Step 6: Final answer
    x = 33,021.60

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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.