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Finding the Fourth Proportional to 3,573.56, 4,931.61 and 2,001.62

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Solution

The fourth proportional to 3,573.56, 4,931.61 and 2,001.62 is: 2,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.56 : 4,931.61 = 2,001.62 : x
  2. Step 2: Convert to fraction form
    3,573.56/4,931.61 = 2,001.62/x
  3. Step 3: Cross multiply
    3,573.56x = 4,931.61 × 2,001.62
  4. Step 4: Simplify right side
    3,573.56x = 9,871,209.21
  5. Step 5: Solve for x
    x = 9,871,209.21/3,573.56
  6. Step 6: Final answer
    x = 2,762.29

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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.