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Finding the Fourth Proportional to 8,708.56, 13,064.44 and 2,866.84

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Solution

The fourth proportional to 8,708.56, 13,064.44 and 2,866.84 is: 4,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.56 : 13,064.44 = 2,866.84 : x
  2. Step 2: Convert to fraction form
    8,708.56/13,064.44 = 2,866.84/x
  3. Step 3: Cross multiply
    8,708.56x = 13,064.44 × 2,866.84
  4. Step 4: Simplify right side
    8,708.56x = 37,453,659.17
  5. Step 5: Solve for x
    x = 37,453,659.17/8,708.56
  6. Step 6: Final answer
    x = 4,300.79

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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.