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Finding the Fourth Proportional to 6,995.54, 9,654.15 and 4,011.66

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Solution

The fourth proportional to 6,995.54, 9,654.15 and 4,011.66 is: 5,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.54 : 9,654.15 = 4,011.66 : x
  2. Step 2: Convert to fraction form
    6,995.54/9,654.15 = 4,011.66/x
  3. Step 3: Cross multiply
    6,995.54x = 9,654.15 × 4,011.66
  4. Step 4: Simplify right side
    6,995.54x = 38,729,167.39
  5. Step 5: Solve for x
    x = 38,729,167.39/6,995.54
  6. Step 6: Final answer
    x = 5,536.27

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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.