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Finding the Fourth Proportional to 16,489.77, 24,720.12 and 8,575.58

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Solution

The fourth proportional to 16,489.77, 24,720.12 and 8,575.58 is: 12,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.77 : 24,720.12 = 8,575.58 : x
  2. Step 2: Convert to fraction form
    16,489.77/24,720.12 = 8,575.58/x
  3. Step 3: Cross multiply
    16,489.77x = 24,720.12 × 8,575.58
  4. Step 4: Simplify right side
    16,489.77x = 211,989,243.07
  5. Step 5: Solve for x
    x = 211,989,243.07/16,489.77
  6. Step 6: Final answer
    x = 12,855.80

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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.