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Finding the Fourth Proportional to 5,879.40, 8,816.82 and 2,955.66

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Solution

The fourth proportional to 5,879.40, 8,816.82 and 2,955.66 is: 4,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.40 : 8,816.82 = 2,955.66 : x
  2. Step 2: Convert to fraction form
    5,879.40/8,816.82 = 2,955.66/x
  3. Step 3: Cross multiply
    5,879.40x = 8,816.82 × 2,955.66
  4. Step 4: Simplify right side
    5,879.40x = 26,059,522.20
  5. Step 5: Solve for x
    x = 26,059,522.20/5,879.40
  6. Step 6: Final answer
    x = 4,432.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.