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Finding the Fourth Proportional to 5,975.94, 8,940.72 and 4,313.88

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Solution

The fourth proportional to 5,975.94, 8,940.72 and 4,313.88 is: 6,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.94 : 8,940.72 = 4,313.88 : x
  2. Step 2: Convert to fraction form
    5,975.94/8,940.72 = 4,313.88/x
  3. Step 3: Cross multiply
    5,975.94x = 8,940.72 × 4,313.88
  4. Step 4: Simplify right side
    5,975.94x = 38,569,193.19
  5. Step 5: Solve for x
    x = 38,569,193.19/5,975.94
  6. Step 6: Final answer
    x = 6,454.08

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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.