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Finding the Fourth Proportional to 63,563.22, 87,719.22 and 35,271.54

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Solution

The fourth proportional to 63,563.22, 87,719.22 and 35,271.54 is: 48,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,563.22 : 87,719.22 = 35,271.54 : x
  2. Step 2: Convert to fraction form
    63,563.22/87,719.22 = 35,271.54/x
  3. Step 3: Cross multiply
    63,563.22x = 87,719.22 × 35,271.54
  4. Step 4: Simplify right side
    63,563.22x = 3,093,991,977.00
  5. Step 5: Solve for x
    x = 3,093,991,977.00/63,563.22
  6. Step 6: Final answer
    x = 48,675.82

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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.