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Finding the Fourth Proportional to 6,893.31, 10,339.98 and 1,699.19

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Solution

The fourth proportional to 6,893.31, 10,339.98 and 1,699.19 is: 2,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.31 : 10,339.98 = 1,699.19 : x
  2. Step 2: Convert to fraction form
    6,893.31/10,339.98 = 1,699.19/x
  3. Step 3: Cross multiply
    6,893.31x = 10,339.98 × 1,699.19
  4. Step 4: Simplify right side
    6,893.31x = 17,569,538.92
  5. Step 5: Solve for x
    x = 17,569,538.92/6,893.31
  6. Step 6: Final answer
    x = 2,548.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.