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Finding the Fourth Proportional to 5,986.51, 8,263.52 and 4,308.91

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Solution

The fourth proportional to 5,986.51, 8,263.52 and 4,308.91 is: 5,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.51 : 8,263.52 = 4,308.91 : x
  2. Step 2: Convert to fraction form
    5,986.51/8,263.52 = 4,308.91/x
  3. Step 3: Cross multiply
    5,986.51x = 8,263.52 × 4,308.91
  4. Step 4: Simplify right side
    5,986.51x = 35,606,763.96
  5. Step 5: Solve for x
    x = 35,606,763.96/5,986.51
  6. Step 6: Final answer
    x = 5,947.83

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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.