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Finding the Fourth Proportional to 66,593.04, 91,900.37 and 36,378.86

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Solution

The fourth proportional to 66,593.04, 91,900.37 and 36,378.86 is: 50,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593.04 : 91,900.37 = 36,378.86 : x
  2. Step 2: Convert to fraction form
    66,593.04/91,900.37 = 36,378.86/x
  3. Step 3: Cross multiply
    66,593.04x = 91,900.37 × 36,378.86
  4. Step 4: Simplify right side
    66,593.04x = 3,343,230,512.28
  5. Step 5: Solve for x
    x = 3,343,230,512.28/66,593.04
  6. Step 6: Final answer
    x = 50,203.90

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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.