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Finding the Fourth Proportional to 60,765.42, 83,860.68 and 35,286.50

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Solution

The fourth proportional to 60,765.42, 83,860.68 and 35,286.50 is: 48,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,765.42 : 83,860.68 = 35,286.50 : x
  2. Step 2: Convert to fraction form
    60,765.42/83,860.68 = 35,286.50/x
  3. Step 3: Cross multiply
    60,765.42x = 83,860.68 × 35,286.50
  4. Step 4: Simplify right side
    60,765.42x = 2,959,150,226.80
  5. Step 5: Solve for x
    x = 2,959,150,226.80/60,765.42
  6. Step 6: Final answer
    x = 48,697.93

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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.