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Finding the Fourth Proportional to 5,353.22, 8,008.83 and 4,729.92

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Solution

The fourth proportional to 5,353.22, 8,008.83 and 4,729.92 is: 7,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.22 : 8,008.83 = 4,729.92 : x
  2. Step 2: Convert to fraction form
    5,353.22/8,008.83 = 4,729.92/x
  3. Step 3: Cross multiply
    5,353.22x = 8,008.83 × 4,729.92
  4. Step 4: Simplify right side
    5,353.22x = 37,881,125.19
  5. Step 5: Solve for x
    x = 37,881,125.19/5,353.22
  6. Step 6: Final answer
    x = 7,076.33

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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.