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Finding the Fourth Proportional to 6,995.66, 9,654.03 and 3,851.84

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Solution

The fourth proportional to 6,995.66, 9,654.03 and 3,851.84 is: 5,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.66 : 9,654.03 = 3,851.84 : x
  2. Step 2: Convert to fraction form
    6,995.66/9,654.03 = 3,851.84/x
  3. Step 3: Cross multiply
    6,995.66x = 9,654.03 × 3,851.84
  4. Step 4: Simplify right side
    6,995.66x = 37,185,730.65
  5. Step 5: Solve for x
    x = 37,185,730.65/6,995.66
  6. Step 6: Final answer
    x = 5,315.55

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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.