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Finding the Fourth Proportional to 66,577.71, 91,835.04 and 50,627.19

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Solution

The fourth proportional to 66,577.71, 91,835.04 and 50,627.19 is: 69,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.71 : 91,835.04 = 50,627.19 : x
  2. Step 2: Convert to fraction form
    66,577.71/91,835.04 = 50,627.19/x
  3. Step 3: Cross multiply
    66,577.71x = 91,835.04 × 50,627.19
  4. Step 4: Simplify right side
    66,577.71x = 4,649,350,018.74
  5. Step 5: Solve for x
    x = 4,649,350,018.74/66,577.71
  6. Step 6: Final answer
    x = 69,833.43

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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.