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Finding the Fourth Proportional to 16,881.86, 25,300.87 and 6,874.94

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Solution

The fourth proportional to 16,881.86, 25,300.87 and 6,874.94 is: 10,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.86 : 25,300.87 = 6,874.94 : x
  2. Step 2: Convert to fraction form
    16,881.86/25,300.87 = 6,874.94/x
  3. Step 3: Cross multiply
    16,881.86x = 25,300.87 × 6,874.94
  4. Step 4: Simplify right side
    16,881.86x = 173,942,009.26
  5. Step 5: Solve for x
    x = 173,942,009.26/16,881.86
  6. Step 6: Final answer
    x = 10,303.48

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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.