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Finding the Fourth Proportional to 38,502,798.48, 57,724,221.24 and 19,058,608.56

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Solution

The fourth proportional to 38,502,798.48, 57,724,221.24 and 19,058,608.56 is: 28,573,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502,798.48 : 57,724,221.24 = 19,058,608.56 : x
  2. Step 2: Convert to fraction form
    38,502,798.48/57,724,221.24 = 19,058,608.56/x
  3. Step 3: Cross multiply
    38,502,798.48x = 57,724,221.24 × 19,058,608.56
  4. Step 4: Simplify right side
    38,502,798.48x = 1,100,143,337,043,997.75
  5. Step 5: Solve for x
    x = 1,100,143,337,043,997.75/38,502,798.48
  6. Step 6: Final answer
    x = 28,573,074.70

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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.