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Finding the Fourth Proportional to 6,190.67, 8,542.67 and 3,501.87

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Solution

The fourth proportional to 6,190.67, 8,542.67 and 3,501.87 is: 4,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.67 : 8,542.67 = 3,501.87 : x
  2. Step 2: Convert to fraction form
    6,190.67/8,542.67 = 3,501.87/x
  3. Step 3: Cross multiply
    6,190.67x = 8,542.67 × 3,501.87
  4. Step 4: Simplify right side
    6,190.67x = 29,915,328.55
  5. Step 5: Solve for x
    x = 29,915,328.55/6,190.67
  6. Step 6: Final answer
    x = 4,832.33

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Half scale
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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.