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Finding the Fourth Proportional to 75,755.55, 104,537.74 and 41,764.32

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Solution

The fourth proportional to 75,755.55, 104,537.74 and 41,764.32 is: 57,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,755.55 : 104,537.74 = 41,764.32 : x
  2. Step 2: Convert to fraction form
    75,755.55/104,537.74 = 41,764.32/x
  3. Step 3: Cross multiply
    75,755.55x = 104,537.74 × 41,764.32
  4. Step 4: Simplify right side
    75,755.55x = 4,365,947,416.62
  5. Step 5: Solve for x
    x = 4,365,947,416.62/75,755.55
  6. Step 6: Final answer
    x = 57,632.05

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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.