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Finding the Fourth Proportional to 16,391.63, 24,602.13 and 8,499.80

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Solution

The fourth proportional to 16,391.63, 24,602.13 and 8,499.80 is: 12,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.63 : 24,602.13 = 8,499.80 : x
  2. Step 2: Convert to fraction form
    16,391.63/24,602.13 = 8,499.80/x
  3. Step 3: Cross multiply
    16,391.63x = 24,602.13 × 8,499.80
  4. Step 4: Simplify right side
    16,391.63x = 209,113,246.08
  5. Step 5: Solve for x
    x = 209,113,246.08/16,391.63
  6. Step 6: Final answer
    x = 12,757.32

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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.