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Finding the Fourth Proportional to 9,804.07, 14,708.85 and 3,964.78

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Solution

The fourth proportional to 9,804.07, 14,708.85 and 3,964.78 is: 5,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804.07 : 14,708.85 = 3,964.78 : x
  2. Step 2: Convert to fraction form
    9,804.07/14,708.85 = 3,964.78/x
  3. Step 3: Cross multiply
    9,804.07x = 14,708.85 × 3,964.78
  4. Step 4: Simplify right side
    9,804.07x = 58,317,354.30
  5. Step 5: Solve for x
    x = 58,317,354.30/9,804.07
  6. Step 6: Final answer
    x = 5,948.28

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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.