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Finding the Fourth Proportional to 66,274.68, 91,459.96 and 36,060.36

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Solution

The fourth proportional to 66,274.68, 91,459.96 and 36,060.36 is: 49,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,274.68 : 91,459.96 = 36,060.36 : x
  2. Step 2: Convert to fraction form
    66,274.68/91,459.96 = 36,060.36/x
  3. Step 3: Cross multiply
    66,274.68x = 91,459.96 × 36,060.36
  4. Step 4: Simplify right side
    66,274.68x = 3,298,079,083.19
  5. Step 5: Solve for x
    x = 3,298,079,083.19/66,274.68
  6. Step 6: Final answer
    x = 49,763.79

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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.