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Finding the Fourth Proportional to 54,987.66, 82,893.54 and 51,325.79

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Solution

The fourth proportional to 54,987.66, 82,893.54 and 51,325.79 is: 77,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.66 : 82,893.54 = 51,325.79 : x
  2. Step 2: Convert to fraction form
    54,987.66/82,893.54 = 51,325.79/x
  3. Step 3: Cross multiply
    54,987.66x = 82,893.54 × 51,325.79
  4. Step 4: Simplify right side
    54,987.66x = 4,254,576,204.40
  5. Step 5: Solve for x
    x = 4,254,576,204.40/54,987.66
  6. Step 6: Final answer
    x = 77,373.29

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.