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Finding the Fourth Proportional to 12,791.10, 19,162.88 and 6,952.62

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Solution

The fourth proportional to 12,791.10, 19,162.88 and 6,952.62 is: 10,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.10 : 19,162.88 = 6,952.62 : x
  2. Step 2: Convert to fraction form
    12,791.10/19,162.88 = 6,952.62/x
  3. Step 3: Cross multiply
    12,791.10x = 19,162.88 × 6,952.62
  4. Step 4: Simplify right side
    12,791.10x = 133,232,222.75
  5. Step 5: Solve for x
    x = 133,232,222.75/12,791.10
  6. Step 6: Final answer
    x = 10,416.01

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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.