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Finding the Fourth Proportional to 5,008.33, 6,917.16 and 3,412.20

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Solution

The fourth proportional to 5,008.33, 6,917.16 and 3,412.20 is: 4,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.33 : 6,917.16 = 3,412.20 : x
  2. Step 2: Convert to fraction form
    5,008.33/6,917.16 = 3,412.20/x
  3. Step 3: Cross multiply
    5,008.33x = 6,917.16 × 3,412.20
  4. Step 4: Simplify right side
    5,008.33x = 23,602,765.69
  5. Step 5: Solve for x
    x = 23,602,765.69/5,008.33
  6. Step 6: Final answer
    x = 4,712.71

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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.