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Finding the Fourth Proportional to 62,469.84, 93,704.88 and 15,722.40

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Solution

The fourth proportional to 62,469.84, 93,704.88 and 15,722.40 is: 23,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,469.84 : 93,704.88 = 15,722.40 : x
  2. Step 2: Convert to fraction form
    62,469.84/93,704.88 = 15,722.40/x
  3. Step 3: Cross multiply
    62,469.84x = 93,704.88 × 15,722.40
  4. Step 4: Simplify right side
    62,469.84x = 1,473,265,605.31
  5. Step 5: Solve for x
    x = 1,473,265,605.31/62,469.84
  6. Step 6: Final answer
    x = 23,583.63

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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.