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Finding the Fourth Proportional to 68,292, 94,244 and 38,484

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Solution

The fourth proportional to 68,292, 94,244 and 38,484 is: 53,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,292 : 94,244 = 38,484 : x
  2. Step 2: Convert to fraction form
    68,292/94,244 = 38,484/x
  3. Step 3: Cross multiply
    68,292x = 94,244 × 38,484
  4. Step 4: Simplify right side
    68,292x = 3,626,886,096
  5. Step 5: Solve for x
    x = 3,626,886,096/68,292
  6. Step 6: Final answer
    x = 53,108.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.