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Finding the Fourth Proportional to 5,918.44, 8,881.82 and 5,353.15

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Solution

The fourth proportional to 5,918.44, 8,881.82 and 5,353.15 is: 8,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.44 : 8,881.82 = 5,353.15 : x
  2. Step 2: Convert to fraction form
    5,918.44/8,881.82 = 5,353.15/x
  3. Step 3: Cross multiply
    5,918.44x = 8,881.82 × 5,353.15
  4. Step 4: Simplify right side
    5,918.44x = 47,545,719.14
  5. Step 5: Solve for x
    x = 47,545,719.14/5,918.44
  6. Step 6: Final answer
    x = 8,033.49

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1.5x scale

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.