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Finding the Fourth Proportional to 8,240.91, 12,362.91 and 3,310.93

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Solution

The fourth proportional to 8,240.91, 12,362.91 and 3,310.93 is: 4,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.91 : 12,362.91 = 3,310.93 : x
  2. Step 2: Convert to fraction form
    8,240.91/12,362.91 = 3,310.93/x
  3. Step 3: Cross multiply
    8,240.91x = 12,362.91 × 3,310.93
  4. Step 4: Simplify right side
    8,240.91x = 40,932,681.73
  5. Step 5: Solve for x
    x = 40,932,681.73/8,240.91
  6. Step 6: Final answer
    x = 4,967.01

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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.