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Finding the Fourth Proportional to 8,258.61, 11,396.12 and 4,900.84

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Solution

The fourth proportional to 8,258.61, 11,396.12 and 4,900.84 is: 6,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.61 : 11,396.12 = 4,900.84 : x
  2. Step 2: Convert to fraction form
    8,258.61/11,396.12 = 4,900.84/x
  3. Step 3: Cross multiply
    8,258.61x = 11,396.12 × 4,900.84
  4. Step 4: Simplify right side
    8,258.61x = 55,850,560.74
  5. Step 5: Solve for x
    x = 55,850,560.74/8,258.61
  6. Step 6: Final answer
    x = 6,762.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.