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Finding the Fourth Proportional to 8,258.77, 12,384.92 and 3,327.49

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Solution

The fourth proportional to 8,258.77, 12,384.92 and 3,327.49 is: 4,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.77 : 12,384.92 = 3,327.49 : x
  2. Step 2: Convert to fraction form
    8,258.77/12,384.92 = 3,327.49/x
  3. Step 3: Cross multiply
    8,258.77x = 12,384.92 × 3,327.49
  4. Step 4: Simplify right side
    8,258.77x = 41,210,680.81
  5. Step 5: Solve for x
    x = 41,210,680.81/8,258.77
  6. Step 6: Final answer
    x = 4,989.93

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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.