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Finding the Fourth Proportional to 8,240.54, 12,362.83 and 2,397.20

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Solution

The fourth proportional to 8,240.54, 12,362.83 and 2,397.20 is: 3,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.54 : 12,362.83 = 2,397.20 : x
  2. Step 2: Convert to fraction form
    8,240.54/12,362.83 = 2,397.20/x
  3. Step 3: Cross multiply
    8,240.54x = 12,362.83 × 2,397.20
  4. Step 4: Simplify right side
    8,240.54x = 29,636,108.27
  5. Step 5: Solve for x
    x = 29,636,108.27/8,240.54
  6. Step 6: Final answer
    x = 3,596.38

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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.