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Finding the Fourth Proportional to 6,699.53, 9,245.45 and 3,674.94

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Solution

The fourth proportional to 6,699.53, 9,245.45 and 3,674.94 is: 5,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.53 : 9,245.45 = 3,674.94 : x
  2. Step 2: Convert to fraction form
    6,699.53/9,245.45 = 3,674.94/x
  3. Step 3: Cross multiply
    6,699.53x = 9,245.45 × 3,674.94
  4. Step 4: Simplify right side
    6,699.53x = 33,976,474.02
  5. Step 5: Solve for x
    x = 33,976,474.02/6,699.53
  6. Step 6: Final answer
    x = 5,071.47

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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.