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Finding the Fourth Proportional to 5,354.73, 7,389.54 and 2,996.88

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Solution

The fourth proportional to 5,354.73, 7,389.54 and 2,996.88 is: 4,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.73 : 7,389.54 = 2,996.88 : x
  2. Step 2: Convert to fraction form
    5,354.73/7,389.54 = 2,996.88/x
  3. Step 3: Cross multiply
    5,354.73x = 7,389.54 × 2,996.88
  4. Step 4: Simplify right side
    5,354.73x = 22,145,564.64
  5. Step 5: Solve for x
    x = 22,145,564.64/5,354.73
  6. Step 6: Final answer
    x = 4,135.70

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1.5x scale

Why These Related Problems?

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