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Finding the Fourth Proportional to 6,262.86, 8,667.63 and 5,381.58

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Solution

The fourth proportional to 6,262.86, 8,667.63 and 5,381.58 is: 7,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.86 : 8,667.63 = 5,381.58 : x
  2. Step 2: Convert to fraction form
    6,262.86/8,667.63 = 5,381.58/x
  3. Step 3: Cross multiply
    6,262.86x = 8,667.63 × 5,381.58
  4. Step 4: Simplify right side
    6,262.86x = 46,645,544.26
  5. Step 5: Solve for x
    x = 46,645,544.26/6,262.86
  6. Step 6: Final answer
    x = 7,447.96

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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.