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Finding the Fourth Proportional to 60,731.67, 83,774.62 and 36,515.81

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Solution

The fourth proportional to 60,731.67, 83,774.62 and 36,515.81 is: 50,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.67 : 83,774.62 = 36,515.81 : x
  2. Step 2: Convert to fraction form
    60,731.67/83,774.62 = 36,515.81/x
  3. Step 3: Cross multiply
    60,731.67x = 83,774.62 × 36,515.81
  4. Step 4: Simplify right side
    60,731.67x = 3,059,097,884.94
  5. Step 5: Solve for x
    x = 3,059,097,884.94/60,731.67
  6. Step 6: Final answer
    x = 50,370.72

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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.