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Finding the Fourth Proportional to 66,594.20, 91,900.14 and 36,379.76

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Solution

The fourth proportional to 66,594.20, 91,900.14 and 36,379.76 is: 50,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594.20 : 91,900.14 = 36,379.76 : x
  2. Step 2: Convert to fraction form
    66,594.20/91,900.14 = 36,379.76/x
  3. Step 3: Cross multiply
    66,594.20x = 91,900.14 × 36,379.76
  4. Step 4: Simplify right side
    66,594.20x = 3,343,305,037.17
  5. Step 5: Solve for x
    x = 3,343,305,037.17/66,594.20
  6. Step 6: Final answer
    x = 50,204.15

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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.