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Finding the Fourth Proportional to 66,334.69, 91,539.72 and 36,119.77

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Solution

The fourth proportional to 66,334.69, 91,539.72 and 36,119.77 is: 49,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334.69 : 91,539.72 = 36,119.77 : x
  2. Step 2: Convert to fraction form
    66,334.69/91,539.72 = 36,119.77/x
  3. Step 3: Cross multiply
    66,334.69x = 91,539.72 × 36,119.77
  4. Step 4: Simplify right side
    66,334.69x = 3,306,393,632.26
  5. Step 5: Solve for x
    x = 3,306,393,632.26/66,334.69
  6. Step 6: Final answer
    x = 49,844.11

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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.