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Finding the Fourth Proportional to 61,263.96, 84,562.60 and 35,777.20

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Solution

The fourth proportional to 61,263.96, 84,562.60 and 35,777.20 is: 49,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.96 : 84,562.60 = 35,777.20 : x
  2. Step 2: Convert to fraction form
    61,263.96/84,562.60 = 35,777.20/x
  3. Step 3: Cross multiply
    61,263.96x = 84,562.60 × 35,777.20
  4. Step 4: Simplify right side
    61,263.96x = 3,025,413,052.72
  5. Step 5: Solve for x
    x = 3,025,413,052.72/61,263.96
  6. Step 6: Final answer
    x = 49,383.24

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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.