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Finding the Fourth Proportional to 62,512, 93,768 and 18,736

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Solution

The fourth proportional to 62,512, 93,768 and 18,736 is: 28,104

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,512 : 93,768 = 18,736 : x
  2. Step 2: Convert to fraction form
    62,512/93,768 = 18,736/x
  3. Step 3: Cross multiply
    62,512x = 93,768 × 18,736
  4. Step 4: Simplify right side
    62,512x = 1,756,837,248
  5. Step 5: Solve for x
    x = 1,756,837,248/62,512
  6. Step 6: Final answer
    x = 28,104

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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.