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Finding the Fourth Proportional to 66,492, 99,738 and 29,556

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Solution

The fourth proportional to 66,492, 99,738 and 29,556 is: 44,334

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,492 : 99,738 = 29,556 : x
  2. Step 2: Convert to fraction form
    66,492/99,738 = 29,556/x
  3. Step 3: Cross multiply
    66,492x = 99,738 × 29,556
  4. Step 4: Simplify right side
    66,492x = 2,947,856,328
  5. Step 5: Solve for x
    x = 2,947,856,328/66,492
  6. Step 6: Final answer
    x = 44,334

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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.