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Finding the Fourth Proportional to 6,673.15, 9,208.15 and 3,688.58

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Solution

The fourth proportional to 6,673.15, 9,208.15 and 3,688.58 is: 5,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.15 : 9,208.15 = 3,688.58 : x
  2. Step 2: Convert to fraction form
    6,673.15/9,208.15 = 3,688.58/x
  3. Step 3: Cross multiply
    6,673.15x = 9,208.15 × 3,688.58
  4. Step 4: Simplify right side
    6,673.15x = 33,964,959.93
  5. Step 5: Solve for x
    x = 33,964,959.93/6,673.15
  6. Step 6: Final answer
    x = 5,089.79

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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.