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Finding the Fourth Proportional to 68,828.05, 94,882.17 and 48,649.33

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Solution

The fourth proportional to 68,828.05, 94,882.17 and 48,649.33 is: 67,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.05 : 94,882.17 = 48,649.33 : x
  2. Step 2: Convert to fraction form
    68,828.05/94,882.17 = 48,649.33/x
  3. Step 3: Cross multiply
    68,828.05x = 94,882.17 × 48,649.33
  4. Step 4: Simplify right side
    68,828.05x = 4,615,953,999.45
  5. Step 5: Solve for x
    x = 4,615,953,999.45/68,828.05
  6. Step 6: Final answer
    x = 67,065.01

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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.