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Finding the Fourth Proportional to 8,532.63, 11,774.81 and 4,755.80

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Solution

The fourth proportional to 8,532.63, 11,774.81 and 4,755.80 is: 6,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.63 : 11,774.81 = 4,755.80 : x
  2. Step 2: Convert to fraction form
    8,532.63/11,774.81 = 4,755.80/x
  3. Step 3: Cross multiply
    8,532.63x = 11,774.81 × 4,755.80
  4. Step 4: Simplify right side
    8,532.63x = 55,998,558.74
  5. Step 5: Solve for x
    x = 55,998,558.74/8,532.63
  6. Step 6: Final answer
    x = 6,562.87

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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.