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Finding the Fourth Proportional to 8,572.76, 11,835.57 and 5,593.76

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Solution

The fourth proportional to 8,572.76, 11,835.57 and 5,593.76 is: 7,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.76 : 11,835.57 = 5,593.76 : x
  2. Step 2: Convert to fraction form
    8,572.76/11,835.57 = 5,593.76/x
  3. Step 3: Cross multiply
    8,572.76x = 11,835.57 × 5,593.76
  4. Step 4: Simplify right side
    8,572.76x = 66,205,338.04
  5. Step 5: Solve for x
    x = 66,205,338.04/8,572.76
  6. Step 6: Final answer
    x = 7,722.76

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Double scale
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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.