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Finding the Fourth Proportional to 48,647.52, 72,971.28 and 37,570.37

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Solution

The fourth proportional to 48,647.52, 72,971.28 and 37,570.37 is: 56,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.52 : 72,971.28 = 37,570.37 : x
  2. Step 2: Convert to fraction form
    48,647.52/72,971.28 = 37,570.37/x
  3. Step 3: Cross multiply
    48,647.52x = 72,971.28 × 37,570.37
  4. Step 4: Simplify right side
    48,647.52x = 2,741,557,624.12
  5. Step 5: Solve for x
    x = 2,741,557,624.12/48,647.52
  6. Step 6: Final answer
    x = 56,355.55

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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.