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Finding the Fourth Proportional to 16,645.37, 24,919.53 and 8,729.11

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Solution

The fourth proportional to 16,645.37, 24,919.53 and 8,729.11 is: 13,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.37 : 24,919.53 = 8,729.11 : x
  2. Step 2: Convert to fraction form
    16,645.37/24,919.53 = 8,729.11/x
  3. Step 3: Cross multiply
    16,645.37x = 24,919.53 × 8,729.11
  4. Step 4: Simplify right side
    16,645.37x = 217,525,422.88
  5. Step 5: Solve for x
    x = 217,525,422.88/16,645.37
  6. Step 6: Final answer
    x = 13,068.22

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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.