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Finding the Fourth Proportional to 62,620.84, 93,930.04 and 15,872.50

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Solution

The fourth proportional to 62,620.84, 93,930.04 and 15,872.50 is: 23,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,620.84 : 93,930.04 = 15,872.50 : x
  2. Step 2: Convert to fraction form
    62,620.84/93,930.04 = 15,872.50/x
  3. Step 3: Cross multiply
    62,620.84x = 93,930.04 × 15,872.50
  4. Step 4: Simplify right side
    62,620.84x = 1,490,904,559.90
  5. Step 5: Solve for x
    x = 1,490,904,559.90/62,620.84
  6. Step 6: Final answer
    x = 23,808.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.