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Finding the Fourth Proportional to 63,676.37, 95,509.05 and 21,555.55

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Solution

The fourth proportional to 63,676.37, 95,509.05 and 21,555.55 is: 32,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.37 : 95,509.05 = 21,555.55 : x
  2. Step 2: Convert to fraction form
    63,676.37/95,509.05 = 21,555.55/x
  3. Step 3: Cross multiply
    63,676.37x = 95,509.05 × 21,555.55
  4. Step 4: Simplify right side
    63,676.37x = 2,058,750,102.73
  5. Step 5: Solve for x
    x = 2,058,750,102.73/63,676.37
  6. Step 6: Final answer
    x = 32,331.46

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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.