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Finding the Fourth Proportional to 7,094.90, 9,790.53 and 3,951.02

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Solution

The fourth proportional to 7,094.90, 9,790.53 and 3,951.02 is: 5,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.90 : 9,790.53 = 3,951.02 : x
  2. Step 2: Convert to fraction form
    7,094.90/9,790.53 = 3,951.02/x
  3. Step 3: Cross multiply
    7,094.90x = 9,790.53 × 3,951.02
  4. Step 4: Simplify right side
    7,094.90x = 38,682,579.84
  5. Step 5: Solve for x
    x = 38,682,579.84/7,094.90
  6. Step 6: Final answer
    x = 5,452.17

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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.