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Finding the Fourth Proportional to 8,293.84, 11,444.20 and 5,150

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Solution

The fourth proportional to 8,293.84, 11,444.20 and 5,150 is: 7,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.84 : 11,444.20 = 5,150 : x
  2. Step 2: Convert to fraction form
    8,293.84/11,444.20 = 5,150/x
  3. Step 3: Cross multiply
    8,293.84x = 11,444.20 × 5,150
  4. Step 4: Simplify right side
    8,293.84x = 58,937,630.00
  5. Step 5: Solve for x
    x = 58,937,630.00/8,293.84
  6. Step 6: Final answer
    x = 7,106.19

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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.