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Finding the Fourth Proportional to 66,622.54, 91,935.18 and 36,401.84

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Solution

The fourth proportional to 66,622.54, 91,935.18 and 36,401.84 is: 50,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.54 : 91,935.18 = 36,401.84 : x
  2. Step 2: Convert to fraction form
    66,622.54/91,935.18 = 36,401.84/x
  3. Step 3: Cross multiply
    66,622.54x = 91,935.18 × 36,401.84
  4. Step 4: Simplify right side
    66,622.54x = 3,346,609,712.73
  5. Step 5: Solve for x
    x = 3,346,609,712.73/66,622.54
  6. Step 6: Final answer
    x = 50,232.39

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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.