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Finding the Fourth Proportional to 6,996.40, 9,654.80 and 3,852.58

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Solution

The fourth proportional to 6,996.40, 9,654.80 and 3,852.58 is: 5,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996.40 : 9,654.80 = 3,852.58 : x
  2. Step 2: Convert to fraction form
    6,996.40/9,654.80 = 3,852.58/x
  3. Step 3: Cross multiply
    6,996.40x = 9,654.80 × 3,852.58
  4. Step 4: Simplify right side
    6,996.40x = 37,195,889.38
  5. Step 5: Solve for x
    x = 37,195,889.38/6,996.40
  6. Step 6: Final answer
    x = 5,316.43

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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.