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Finding the Fourth Proportional to 8,260.92, 12,393.36 and 2,417.40

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Solution

The fourth proportional to 8,260.92, 12,393.36 and 2,417.40 is: 3,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.92 : 12,393.36 = 2,417.40 : x
  2. Step 2: Convert to fraction form
    8,260.92/12,393.36 = 2,417.40/x
  3. Step 3: Cross multiply
    8,260.92x = 12,393.36 × 2,417.40
  4. Step 4: Simplify right side
    8,260.92x = 29,959,708.46
  5. Step 5: Solve for x
    x = 29,959,708.46/8,260.92
  6. Step 6: Final answer
    x = 3,626.68

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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.