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Finding the Fourth Proportional to 54,187.96, 74,745.90 and 37,184.44

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Solution

The fourth proportional to 54,187.96, 74,745.90 and 37,184.44 is: 51,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.96 : 74,745.90 = 37,184.44 : x
  2. Step 2: Convert to fraction form
    54,187.96/74,745.90 = 37,184.44/x
  3. Step 3: Cross multiply
    54,187.96x = 74,745.90 × 37,184.44
  4. Step 4: Simplify right side
    54,187.96x = 2,779,384,433.80
  5. Step 5: Solve for x
    x = 2,779,384,433.80/54,187.96
  6. Step 6: Final answer
    x = 51,291.55

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1.5x scale

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.