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Finding the Fourth Proportional to 3,572.46, 4,929.03 and 2,174.22

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Solution

The fourth proportional to 3,572.46, 4,929.03 and 2,174.22 is: 2,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.46 : 4,929.03 = 2,174.22 : x
  2. Step 2: Convert to fraction form
    3,572.46/4,929.03 = 2,174.22/x
  3. Step 3: Cross multiply
    3,572.46x = 4,929.03 × 2,174.22
  4. Step 4: Simplify right side
    3,572.46x = 10,716,795.61
  5. Step 5: Solve for x
    x = 10,716,795.61/3,572.46
  6. Step 6: Final answer
    x = 2,999.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.