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Finding the Fourth Proportional to 5,527.51, 8,305.03 and 4,905.43

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Solution

The fourth proportional to 5,527.51, 8,305.03 and 4,905.43 is: 7,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.51 : 8,305.03 = 4,905.43 : x
  2. Step 2: Convert to fraction form
    5,527.51/8,305.03 = 4,905.43/x
  3. Step 3: Cross multiply
    5,527.51x = 8,305.03 × 4,905.43
  4. Step 4: Simplify right side
    5,527.51x = 40,739,728.68
  5. Step 5: Solve for x
    x = 40,739,728.68/5,527.51
  6. Step 6: Final answer
    x = 7,370.36

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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.