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Finding the Fourth Proportional to 48,879.33, 67,437.79 and 27,365.90

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Solution

The fourth proportional to 48,879.33, 67,437.79 and 27,365.90 is: 37,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.33 : 67,437.79 = 27,365.90 : x
  2. Step 2: Convert to fraction form
    48,879.33/67,437.79 = 27,365.90/x
  3. Step 3: Cross multiply
    48,879.33x = 67,437.79 × 27,365.90
  4. Step 4: Simplify right side
    48,879.33x = 1,845,495,917.54
  5. Step 5: Solve for x
    x = 1,845,495,917.54/48,879.33
  6. Step 6: Final answer
    x = 37,756.16

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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.