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Finding the Fourth Proportional to 6,234.33, 8,602.78 and 3,439.65

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Solution

The fourth proportional to 6,234.33, 8,602.78 and 3,439.65 is: 4,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.33 : 8,602.78 = 3,439.65 : x
  2. Step 2: Convert to fraction form
    6,234.33/8,602.78 = 3,439.65/x
  3. Step 3: Cross multiply
    6,234.33x = 8,602.78 × 3,439.65
  4. Step 4: Simplify right side
    6,234.33x = 29,590,552.23
  5. Step 5: Solve for x
    x = 29,590,552.23/6,234.33
  6. Step 6: Final answer
    x = 4,746.39

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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.