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Finding the Fourth Proportional to 8,856.87, 13,284.49 and 2,700.87

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Solution

The fourth proportional to 8,856.87, 13,284.49 and 2,700.87 is: 4,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.87 : 13,284.49 = 2,700.87 : x
  2. Step 2: Convert to fraction form
    8,856.87/13,284.49 = 2,700.87/x
  3. Step 3: Cross multiply
    8,856.87x = 13,284.49 × 2,700.87
  4. Step 4: Simplify right side
    8,856.87x = 35,879,680.51
  5. Step 5: Solve for x
    x = 35,879,680.51/8,856.87
  6. Step 6: Final answer
    x = 4,051.06

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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.