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Finding the Fourth Proportional to 16,671.82, 25,007.76 and 6,811.10

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Solution

The fourth proportional to 16,671.82, 25,007.76 and 6,811.10 is: 10,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.82 : 25,007.76 = 6,811.10 : x
  2. Step 2: Convert to fraction form
    16,671.82/25,007.76 = 6,811.10/x
  3. Step 3: Cross multiply
    16,671.82x = 25,007.76 × 6,811.10
  4. Step 4: Simplify right side
    16,671.82x = 170,330,354.14
  5. Step 5: Solve for x
    x = 170,330,354.14/16,671.82
  6. Step 6: Final answer
    x = 10,216.66

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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.