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Finding the Fourth Proportional to 8,856.77, 13,284.77 and 3,310.16

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Solution

The fourth proportional to 8,856.77, 13,284.77 and 3,310.16 is: 4,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.77 : 13,284.77 = 3,310.16 : x
  2. Step 2: Convert to fraction form
    8,856.77/13,284.77 = 3,310.16/x
  3. Step 3: Cross multiply
    8,856.77x = 13,284.77 × 3,310.16
  4. Step 4: Simplify right side
    8,856.77x = 43,974,718.43
  5. Step 5: Solve for x
    x = 43,974,718.43/8,856.77
  6. Step 6: Final answer
    x = 4,965.10

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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.