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Finding the Fourth Proportional to 62,228.42, 85,871.84 and 35,367.20

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Solution

The fourth proportional to 62,228.42, 85,871.84 and 35,367.20 is: 48,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,228.42 : 85,871.84 = 35,367.20 : x
  2. Step 2: Convert to fraction form
    62,228.42/85,871.84 = 35,367.20/x
  3. Step 3: Cross multiply
    62,228.42x = 85,871.84 × 35,367.20
  4. Step 4: Simplify right side
    62,228.42x = 3,037,045,933.45
  5. Step 5: Solve for x
    x = 3,037,045,933.45/62,228.42
  6. Step 6: Final answer
    x = 48,804.81

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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.