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Finding the Fourth Proportional to 49,858.66, 74,822.99 and 45,094.34

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Solution

The fourth proportional to 49,858.66, 74,822.99 and 45,094.34 is: 67,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,858.66 : 74,822.99 = 45,094.34 : x
  2. Step 2: Convert to fraction form
    49,858.66/74,822.99 = 45,094.34/x
  3. Step 3: Cross multiply
    49,858.66x = 74,822.99 × 45,094.34
  4. Step 4: Simplify right side
    49,858.66x = 3,374,093,350.88
  5. Step 5: Solve for x
    x = 3,374,093,350.88/49,858.66
  6. Step 6: Final answer
    x = 67,673.17

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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.