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Finding the Fourth Proportional to 73,552.82, 100,795.85 and 66,466.94

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Solution

The fourth proportional to 73,552.82, 100,795.85 and 66,466.94 is: 91,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,552.82 : 100,795.85 = 66,466.94 : x
  2. Step 2: Convert to fraction form
    73,552.82/100,795.85 = 66,466.94/x
  3. Step 3: Cross multiply
    73,552.82x = 100,795.85 × 66,466.94
  4. Step 4: Simplify right side
    73,552.82x = 6,699,591,714.20
  5. Step 5: Solve for x
    x = 6,699,591,714.20/73,552.82
  6. Step 6: Final answer
    x = 91,085.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.