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Finding the Fourth Proportional to 66,125.00, 91,252.21 and 35,910.11

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Solution

The fourth proportional to 66,125.00, 91,252.21 and 35,910.11 is: 49,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.00 : 91,252.21 = 35,910.11 : x
  2. Step 2: Convert to fraction form
    66,125.00/91,252.21 = 35,910.11/x
  3. Step 3: Cross multiply
    66,125.00x = 91,252.21 × 35,910.11
  4. Step 4: Simplify right side
    66,125.00x = 3,276,876,263.03
  5. Step 5: Solve for x
    x = 3,276,876,263.03/66,125.00
  6. Step 6: Final answer
    x = 49,555.79

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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.