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Finding the Fourth Proportional to 5,354.48, 7,389.02 and 2,964.55

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Solution

The fourth proportional to 5,354.48, 7,389.02 and 2,964.55 is: 4,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.48 : 7,389.02 = 2,964.55 : x
  2. Step 2: Convert to fraction form
    5,354.48/7,389.02 = 2,964.55/x
  3. Step 3: Cross multiply
    5,354.48x = 7,389.02 × 2,964.55
  4. Step 4: Simplify right side
    5,354.48x = 21,905,108.18
  5. Step 5: Solve for x
    x = 21,905,108.18/5,354.48
  6. Step 6: Final answer
    x = 4,090.99

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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.