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Finding the Fourth Proportional to 62,689.67, 86,510.18 and 35,093.94

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Solution

The fourth proportional to 62,689.67, 86,510.18 and 35,093.94 is: 48,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.67 : 86,510.18 = 35,093.94 : x
  2. Step 2: Convert to fraction form
    62,689.67/86,510.18 = 35,093.94/x
  3. Step 3: Cross multiply
    62,689.67x = 86,510.18 × 35,093.94
  4. Step 4: Simplify right side
    62,689.67x = 3,035,982,890.84
  5. Step 5: Solve for x
    x = 3,035,982,890.84/62,689.67
  6. Step 6: Final answer
    x = 48,428.76

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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.