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Finding the Fourth Proportional to 66,556.16, 91,847.03 and 36,341.46

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Solution

The fourth proportional to 66,556.16, 91,847.03 and 36,341.46 is: 50,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.16 : 91,847.03 = 36,341.46 : x
  2. Step 2: Convert to fraction form
    66,556.16/91,847.03 = 36,341.46/x
  3. Step 3: Cross multiply
    66,556.16x = 91,847.03 × 36,341.46
  4. Step 4: Simplify right side
    66,556.16x = 3,337,855,166.86
  5. Step 5: Solve for x
    x = 3,337,855,166.86/66,556.16
  6. Step 6: Final answer
    x = 50,150.96

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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.