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Finding the Fourth Proportional to 7,051.66, 10,581.27 and 5,411.14

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Solution

The fourth proportional to 7,051.66, 10,581.27 and 5,411.14 is: 8,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.66 : 10,581.27 = 5,411.14 : x
  2. Step 2: Convert to fraction form
    7,051.66/10,581.27 = 5,411.14/x
  3. Step 3: Cross multiply
    7,051.66x = 10,581.27 × 5,411.14
  4. Step 4: Simplify right side
    7,051.66x = 57,256,733.35
  5. Step 5: Solve for x
    x = 57,256,733.35/7,051.66
  6. Step 6: Final answer
    x = 8,119.61

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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.