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Finding the Fourth Proportional to 54,064.67, 74,607.80 and 29,865.11

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Solution

The fourth proportional to 54,064.67, 74,607.80 and 29,865.11 is: 41,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,064.67 : 74,607.80 = 29,865.11 : x
  2. Step 2: Convert to fraction form
    54,064.67/74,607.80 = 29,865.11/x
  3. Step 3: Cross multiply
    54,064.67x = 74,607.80 × 29,865.11
  4. Step 4: Simplify right side
    54,064.67x = 2,228,170,359.04
  5. Step 5: Solve for x
    x = 2,228,170,359.04/54,064.67
  6. Step 6: Final answer
    x = 41,213.06

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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.