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Finding the Fourth Proportional to 66,559.98, 91,853.15 and 36,346.08

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Solution

The fourth proportional to 66,559.98, 91,853.15 and 36,346.08 is: 50,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559.98 : 91,853.15 = 36,346.08 : x
  2. Step 2: Convert to fraction form
    66,559.98/91,853.15 = 36,346.08/x
  3. Step 3: Cross multiply
    66,559.98x = 91,853.15 × 36,346.08
  4. Step 4: Simplify right side
    66,559.98x = 3,338,501,756.42
  5. Step 5: Solve for x
    x = 3,338,501,756.42/66,559.98
  6. Step 6: Final answer
    x = 50,157.79

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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.