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Finding the Fourth Proportional to 16,775.86, 25,163.94 and 5,089.08

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Solution

The fourth proportional to 16,775.86, 25,163.94 and 5,089.08 is: 7,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.86 : 25,163.94 = 5,089.08 : x
  2. Step 2: Convert to fraction form
    16,775.86/25,163.94 = 5,089.08/x
  3. Step 3: Cross multiply
    16,775.86x = 25,163.94 × 5,089.08
  4. Step 4: Simplify right side
    16,775.86x = 128,061,261.36
  5. Step 5: Solve for x
    x = 128,061,261.36/16,775.86
  6. Step 6: Final answer
    x = 7,633.66

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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.