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Finding the Fourth Proportional to 62,740, 94,153.20 and 25,804

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Solution

The fourth proportional to 62,740, 94,153.20 and 25,804 is: 38,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,740 : 94,153.20 = 25,804 : x
  2. Step 2: Convert to fraction form
    62,740/94,153.20 = 25,804/x
  3. Step 3: Cross multiply
    62,740x = 94,153.20 × 25,804
  4. Step 4: Simplify right side
    62,740x = 2,429,529,172.80
  5. Step 5: Solve for x
    x = 2,429,529,172.80/62,740
  6. Step 6: Final answer
    x = 38,723.77

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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.