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Finding the Fourth Proportional to 8,314.14, 12,477.12 and 4,619.34

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Solution

The fourth proportional to 8,314.14, 12,477.12 and 4,619.34 is: 6,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.14 : 12,477.12 = 4,619.34 : x
  2. Step 2: Convert to fraction form
    8,314.14/12,477.12 = 4,619.34/x
  3. Step 3: Cross multiply
    8,314.14x = 12,477.12 × 4,619.34
  4. Step 4: Simplify right side
    8,314.14x = 57,636,059.50
  5. Step 5: Solve for x
    x = 57,636,059.50/8,314.14
  6. Step 6: Final answer
    x = 6,932.29

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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.