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Finding the Fourth Proportional to 6,879.70, 9,484.02 and 5,084.54

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Solution

The fourth proportional to 6,879.70, 9,484.02 and 5,084.54 is: 7,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.70 : 9,484.02 = 5,084.54 : x
  2. Step 2: Convert to fraction form
    6,879.70/9,484.02 = 5,084.54/x
  3. Step 3: Cross multiply
    6,879.70x = 9,484.02 × 5,084.54
  4. Step 4: Simplify right side
    6,879.70x = 48,221,867.20
  5. Step 5: Solve for x
    x = 48,221,867.20/6,879.70
  6. Step 6: Final answer
    x = 7,009.30

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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.