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Finding the Fourth Proportional to 62,388, 93,562.34 and 20,258.37

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Solution

The fourth proportional to 62,388, 93,562.34 and 20,258.37 is: 30,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,388 : 93,562.34 = 20,258.37 : x
  2. Step 2: Convert to fraction form
    62,388/93,562.34 = 20,258.37/x
  3. Step 3: Cross multiply
    62,388x = 93,562.34 × 20,258.37
  4. Step 4: Simplify right side
    62,388x = 1,895,420,400.49
  5. Step 5: Solve for x
    x = 1,895,420,400.49/62,388
  6. Step 6: Final answer
    x = 30,381.17

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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.