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Finding the Fourth Proportional to 16,085.94, 24,129.21 and 4,992.99

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Solution

The fourth proportional to 16,085.94, 24,129.21 and 4,992.99 is: 7,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,085.94 : 24,129.21 = 4,992.99 : x
  2. Step 2: Convert to fraction form
    16,085.94/24,129.21 = 4,992.99/x
  3. Step 3: Cross multiply
    16,085.94x = 24,129.21 × 4,992.99
  4. Step 4: Simplify right side
    16,085.94x = 120,476,904.24
  5. Step 5: Solve for x
    x = 120,476,904.24/16,085.94
  6. Step 6: Final answer
    x = 7,489.58

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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.