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Finding the Fourth Proportional to 66,597.76, 91,904.44 and 36,383.12

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Solution

The fourth proportional to 66,597.76, 91,904.44 and 36,383.12 is: 50,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,597.76 : 91,904.44 = 36,383.12 : x
  2. Step 2: Convert to fraction form
    66,597.76/91,904.44 = 36,383.12/x
  3. Step 3: Cross multiply
    66,597.76x = 91,904.44 × 36,383.12
  4. Step 4: Simplify right side
    66,597.76x = 3,343,770,269.05
  5. Step 5: Solve for x
    x = 3,343,770,269.05/66,597.76
  6. Step 6: Final answer
    x = 50,208.45

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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.