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Finding the Fourth Proportional to 16,710.87, 25,063.49 and 7,827.15

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Solution

The fourth proportional to 16,710.87, 25,063.49 and 7,827.15 is: 11,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.87 : 25,063.49 = 7,827.15 : x
  2. Step 2: Convert to fraction form
    16,710.87/25,063.49 = 7,827.15/x
  3. Step 3: Cross multiply
    16,710.87x = 25,063.49 × 7,827.15
  4. Step 4: Simplify right side
    16,710.87x = 196,175,656.62
  5. Step 5: Solve for x
    x = 196,175,656.62/16,710.87
  6. Step 6: Final answer
    x = 11,739.40

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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.