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Finding the Fourth Proportional to 65,644.83, 90,590.41 and 37,352.34

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Solution

The fourth proportional to 65,644.83, 90,590.41 and 37,352.34 is: 51,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,644.83 : 90,590.41 = 37,352.34 : x
  2. Step 2: Convert to fraction form
    65,644.83/90,590.41 = 37,352.34/x
  3. Step 3: Cross multiply
    65,644.83x = 90,590.41 × 37,352.34
  4. Step 4: Simplify right side
    65,644.83x = 3,383,763,841.75
  5. Step 5: Solve for x
    x = 3,383,763,841.75/65,644.83
  6. Step 6: Final answer
    x = 51,546.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.