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Finding the Fourth Proportional to 8,400.92, 12,597.74 and 2,556.17

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Solution

The fourth proportional to 8,400.92, 12,597.74 and 2,556.17 is: 3,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.92 : 12,597.74 = 2,556.17 : x
  2. Step 2: Convert to fraction form
    8,400.92/12,597.74 = 2,556.17/x
  3. Step 3: Cross multiply
    8,400.92x = 12,597.74 × 2,556.17
  4. Step 4: Simplify right side
    8,400.92x = 32,201,889.29
  5. Step 5: Solve for x
    x = 32,201,889.29/8,400.92
  6. Step 6: Final answer
    x = 3,833.14

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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.