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Finding the Fourth Proportional to 8,498.94, 12,748.95 and 2,258.85

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Solution

The fourth proportional to 8,498.94, 12,748.95 and 2,258.85 is: 3,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.94 : 12,748.95 = 2,258.85 : x
  2. Step 2: Convert to fraction form
    8,498.94/12,748.95 = 2,258.85/x
  3. Step 3: Cross multiply
    8,498.94x = 12,748.95 × 2,258.85
  4. Step 4: Simplify right side
    8,498.94x = 28,797,965.71
  5. Step 5: Solve for x
    x = 28,797,965.71/8,498.94
  6. Step 6: Final answer
    x = 3,388.42

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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.