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Finding the Fourth Proportional to 22,555.38, 33,835.34 and 7,762.35

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Solution

The fourth proportional to 22,555.38, 33,835.34 and 7,762.35 is: 11,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.38 : 33,835.34 = 7,762.35 : x
  2. Step 2: Convert to fraction form
    22,555.38/33,835.34 = 7,762.35/x
  3. Step 3: Cross multiply
    22,555.38x = 33,835.34 × 7,762.35
  4. Step 4: Simplify right side
    22,555.38x = 262,641,770.85
  5. Step 5: Solve for x
    x = 262,641,770.85/22,555.38
  6. Step 6: Final answer
    x = 11,644.31

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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.