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Finding the Fourth Proportional to 62,436, 93,669.12 and 25,500

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Solution

The fourth proportional to 62,436, 93,669.12 and 25,500 is: 38,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,436 : 93,669.12 = 25,500 : x
  2. Step 2: Convert to fraction form
    62,436/93,669.12 = 25,500/x
  3. Step 3: Cross multiply
    62,436x = 93,669.12 × 25,500
  4. Step 4: Simplify right side
    62,436x = 2,388,562,560
  5. Step 5: Solve for x
    x = 2,388,562,560/62,436
  6. Step 6: Final answer
    x = 38,256.18

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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.