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Finding the Fourth Proportional to 62,664, 93,996 and 18,888

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Solution

The fourth proportional to 62,664, 93,996 and 18,888 is: 28,332

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,664 : 93,996 = 18,888 : x
  2. Step 2: Convert to fraction form
    62,664/93,996 = 18,888/x
  3. Step 3: Cross multiply
    62,664x = 93,996 × 18,888
  4. Step 4: Simplify right side
    62,664x = 1,775,396,448
  5. Step 5: Solve for x
    x = 1,775,396,448/62,664
  6. Step 6: Final answer
    x = 28,332

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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.