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Finding the Fourth Proportional to 6,235.12, 8,605.08 and 3,440.62

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Solution

The fourth proportional to 6,235.12, 8,605.08 and 3,440.62 is: 4,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.12 : 8,605.08 = 3,440.62 : x
  2. Step 2: Convert to fraction form
    6,235.12/8,605.08 = 3,440.62/x
  3. Step 3: Cross multiply
    6,235.12x = 8,605.08 × 3,440.62
  4. Step 4: Simplify right side
    6,235.12x = 29,606,810.35
  5. Step 5: Solve for x
    x = 29,606,810.35/6,235.12
  6. Step 6: Final answer
    x = 4,748.39

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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.