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Finding the Fourth Proportional to 16,048.62, 22,147.74 and 8,975.03

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Solution

The fourth proportional to 16,048.62, 22,147.74 and 8,975.03 is: 12,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,048.62 : 22,147.74 = 8,975.03 : x
  2. Step 2: Convert to fraction form
    16,048.62/22,147.74 = 8,975.03/x
  3. Step 3: Cross multiply
    16,048.62x = 22,147.74 × 8,975.03
  4. Step 4: Simplify right side
    16,048.62x = 198,776,520.19
  5. Step 5: Solve for x
    x = 198,776,520.19/16,048.62
  6. Step 6: Final answer
    x = 12,385.89

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1.5x scale

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.