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Finding the Fourth Proportional to 62,795.60, 86,682.64 and 37,640.24

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Solution

The fourth proportional to 62,795.60, 86,682.64 and 37,640.24 is: 51,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,795.60 : 86,682.64 = 37,640.24 : x
  2. Step 2: Convert to fraction form
    62,795.60/86,682.64 = 37,640.24/x
  3. Step 3: Cross multiply
    62,795.60x = 86,682.64 × 37,640.24
  4. Step 4: Simplify right side
    62,795.60x = 3,262,755,373.43
  5. Step 5: Solve for x
    x = 3,262,755,373.43/62,795.60
  6. Step 6: Final answer
    x = 51,958.34

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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.