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Finding the Fourth Proportional to 5,863.98, 8,795.98 and 1,968.40

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Solution

The fourth proportional to 5,863.98, 8,795.98 and 1,968.40 is: 2,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.98 : 8,795.98 = 1,968.40 : x
  2. Step 2: Convert to fraction form
    5,863.98/8,795.98 = 1,968.40/x
  3. Step 3: Cross multiply
    5,863.98x = 8,795.98 × 1,968.40
  4. Step 4: Simplify right side
    5,863.98x = 17,314,007.03
  5. Step 5: Solve for x
    x = 17,314,007.03/5,863.98
  6. Step 6: Final answer
    x = 2,952.60

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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.