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Finding the Fourth Proportional to 48,779.84, 73,197.84 and 20,697.68

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Solution

The fourth proportional to 48,779.84, 73,197.84 and 20,697.68 is: 31,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.84 : 73,197.84 = 20,697.68 : x
  2. Step 2: Convert to fraction form
    48,779.84/73,197.84 = 20,697.68/x
  3. Step 3: Cross multiply
    48,779.84x = 73,197.84 × 20,697.68
  4. Step 4: Simplify right side
    48,779.84x = 1,515,025,469.01
  5. Step 5: Solve for x
    x = 1,515,025,469.01/48,779.84
  6. Step 6: Final answer
    x = 31,058.43

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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.