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Finding the Fourth Proportional to 7,905.04, 11,849.04 and 4,203.54

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Solution

The fourth proportional to 7,905.04, 11,849.04 and 4,203.54 is: 6,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.04 : 11,849.04 = 4,203.54 : x
  2. Step 2: Convert to fraction form
    7,905.04/11,849.04 = 4,203.54/x
  3. Step 3: Cross multiply
    7,905.04x = 11,849.04 × 4,203.54
  4. Step 4: Simplify right side
    7,905.04x = 49,807,913.60
  5. Step 5: Solve for x
    x = 49,807,913.60/7,905.04
  6. Step 6: Final answer
    x = 6,300.78

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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.