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Finding the Fourth Proportional to 16,621.26, 24,911.09 and 8,303.60

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Solution

The fourth proportional to 16,621.26, 24,911.09 and 8,303.60 is: 12,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.26 : 24,911.09 = 8,303.60 : x
  2. Step 2: Convert to fraction form
    16,621.26/24,911.09 = 8,303.60/x
  3. Step 3: Cross multiply
    16,621.26x = 24,911.09 × 8,303.60
  4. Step 4: Simplify right side
    16,621.26x = 206,851,560.85
  5. Step 5: Solve for x
    x = 206,851,560.85/16,621.26
  6. Step 6: Final answer
    x = 12,445.00

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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.