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Finding the Fourth Proportional to 16,874.65, 23,288.43 and 9,800.65

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Solution

The fourth proportional to 16,874.65, 23,288.43 and 9,800.65 is: 13,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.65 : 23,288.43 = 9,800.65 : x
  2. Step 2: Convert to fraction form
    16,874.65/23,288.43 = 9,800.65/x
  3. Step 3: Cross multiply
    16,874.65x = 23,288.43 × 9,800.65
  4. Step 4: Simplify right side
    16,874.65x = 228,241,751.48
  5. Step 5: Solve for x
    x = 228,241,751.48/16,874.65
  6. Step 6: Final answer
    x = 13,525.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.