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Finding the Fourth Proportional to 5,839.36, 8,754.92 and 2,915.60

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Solution

The fourth proportional to 5,839.36, 8,754.92 and 2,915.60 is: 4,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.36 : 8,754.92 = 2,915.60 : x
  2. Step 2: Convert to fraction form
    5,839.36/8,754.92 = 2,915.60/x
  3. Step 3: Cross multiply
    5,839.36x = 8,754.92 × 2,915.60
  4. Step 4: Simplify right side
    5,839.36x = 25,525,844.75
  5. Step 5: Solve for x
    x = 25,525,844.75/5,839.36
  6. Step 6: Final answer
    x = 4,371.34

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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.