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Finding the Fourth Proportional to 16,533.22, 24,778.74 and 7,748.78

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Solution

The fourth proportional to 16,533.22, 24,778.74 and 7,748.78 is: 11,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533.22 : 24,778.74 = 7,748.78 : x
  2. Step 2: Convert to fraction form
    16,533.22/24,778.74 = 7,748.78/x
  3. Step 3: Cross multiply
    16,533.22x = 24,778.74 × 7,748.78
  4. Step 4: Simplify right side
    16,533.22x = 192,005,004.94
  5. Step 5: Solve for x
    x = 192,005,004.94/16,533.22
  6. Step 6: Final answer
    x = 11,613.29

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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.