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Finding the Fourth Proportional to 3,549.72, 5,325.53 and 2,926.16

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Solution

The fourth proportional to 3,549.72, 5,325.53 and 2,926.16 is: 4,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.72 : 5,325.53 = 2,926.16 : x
  2. Step 2: Convert to fraction form
    3,549.72/5,325.53 = 2,926.16/x
  3. Step 3: Cross multiply
    3,549.72x = 5,325.53 × 2,926.16
  4. Step 4: Simplify right side
    3,549.72x = 15,583,311.61
  5. Step 5: Solve for x
    x = 15,583,311.61/3,549.72
  6. Step 6: Final answer
    x = 4,390.01

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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.