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Finding the Fourth Proportional to 16,998.64, 25,469.20 and 10,411.07

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Solution

The fourth proportional to 16,998.64, 25,469.20 and 10,411.07 is: 15,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.64 : 25,469.20 = 10,411.07 : x
  2. Step 2: Convert to fraction form
    16,998.64/25,469.20 = 10,411.07/x
  3. Step 3: Cross multiply
    16,998.64x = 25,469.20 × 10,411.07
  4. Step 4: Simplify right side
    16,998.64x = 265,161,624.04
  5. Step 5: Solve for x
    x = 265,161,624.04/16,998.64
  6. Step 6: Final answer
    x = 15,598.99

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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.