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Finding the Fourth Proportional to 56,601.60, 84,717.60 and 39,018.24

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Solution

The fourth proportional to 56,601.60, 84,717.60 and 39,018.24 is: 58,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,601.60 : 84,717.60 = 39,018.24 : x
  2. Step 2: Convert to fraction form
    56,601.60/84,717.60 = 39,018.24/x
  3. Step 3: Cross multiply
    56,601.60x = 84,717.60 × 39,018.24
  4. Step 4: Simplify right side
    56,601.60x = 3,305,531,649.02
  5. Step 5: Solve for x
    x = 3,305,531,649.02/56,601.60
  6. Step 6: Final answer
    x = 58,399.97

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1.5x scale

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.