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Finding the Fourth Proportional to 5,027.79, 7,553.54 and 4,748.05

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Solution

The fourth proportional to 5,027.79, 7,553.54 and 4,748.05 is: 7,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.79 : 7,553.54 = 4,748.05 : x
  2. Step 2: Convert to fraction form
    5,027.79/7,553.54 = 4,748.05/x
  3. Step 3: Cross multiply
    5,027.79x = 7,553.54 × 4,748.05
  4. Step 4: Simplify right side
    5,027.79x = 35,864,585.60
  5. Step 5: Solve for x
    x = 35,864,585.60/5,027.79
  6. Step 6: Final answer
    x = 7,133.27

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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.