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Finding the Fourth Proportional to 16,645.62, 24,968.36 and 8,317.20

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Solution

The fourth proportional to 16,645.62, 24,968.36 and 8,317.20 is: 12,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.62 : 24,968.36 = 8,317.20 : x
  2. Step 2: Convert to fraction form
    16,645.62/24,968.36 = 8,317.20/x
  3. Step 3: Cross multiply
    16,645.62x = 24,968.36 × 8,317.20
  4. Step 4: Simplify right side
    16,645.62x = 207,666,843.79
  5. Step 5: Solve for x
    x = 207,666,843.79/16,645.62
  6. Step 6: Final answer
    x = 12,475.77

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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.