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Finding the Fourth Proportional to 8,193.57, 11,307.12 and 4,467.57

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Solution

The fourth proportional to 8,193.57, 11,307.12 and 4,467.57 is: 6,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.57 : 11,307.12 = 4,467.57 : x
  2. Step 2: Convert to fraction form
    8,193.57/11,307.12 = 4,467.57/x
  3. Step 3: Cross multiply
    8,193.57x = 11,307.12 × 4,467.57
  4. Step 4: Simplify right side
    8,193.57x = 50,515,350.10
  5. Step 5: Solve for x
    x = 50,515,350.10/8,193.57
  6. Step 6: Final answer
    x = 6,165.24

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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.