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Finding the Fourth Proportional to 5,620.66, 8,441.93 and 4,581.43

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Solution

The fourth proportional to 5,620.66, 8,441.93 and 4,581.43 is: 6,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.66 : 8,441.93 = 4,581.43 : x
  2. Step 2: Convert to fraction form
    5,620.66/8,441.93 = 4,581.43/x
  3. Step 3: Cross multiply
    5,620.66x = 8,441.93 × 4,581.43
  4. Step 4: Simplify right side
    5,620.66x = 38,676,111.36
  5. Step 5: Solve for x
    x = 38,676,111.36/5,620.66
  6. Step 6: Final answer
    x = 6,881.06

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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.