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Finding the Fourth Proportional to 6,698.58, 9,242.18 and 4,008.68

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Solution

The fourth proportional to 6,698.58, 9,242.18 and 4,008.68 is: 5,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.58 : 9,242.18 = 4,008.68 : x
  2. Step 2: Convert to fraction form
    6,698.58/9,242.18 = 4,008.68/x
  3. Step 3: Cross multiply
    6,698.58x = 9,242.18 × 4,008.68
  4. Step 4: Simplify right side
    6,698.58x = 37,048,942.12
  5. Step 5: Solve for x
    x = 37,048,942.12/6,698.58
  6. Step 6: Final answer
    x = 5,530.87

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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.