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Finding the Fourth Proportional to 16,966.74, 25,446.78 and 5,720.99

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Solution

The fourth proportional to 16,966.74, 25,446.78 and 5,720.99 is: 8,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.74 : 25,446.78 = 5,720.99 : x
  2. Step 2: Convert to fraction form
    16,966.74/25,446.78 = 5,720.99/x
  3. Step 3: Cross multiply
    16,966.74x = 25,446.78 × 5,720.99
  4. Step 4: Simplify right side
    16,966.74x = 145,580,720.65
  5. Step 5: Solve for x
    x = 145,580,720.65/16,966.74
  6. Step 6: Final answer
    x = 8,580.36

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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.