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Finding the Fourth Proportional to 7,078.48, 9,764.96 and 4,244.52

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Solution

The fourth proportional to 7,078.48, 9,764.96 and 4,244.52 is: 5,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.48 : 9,764.96 = 4,244.52 : x
  2. Step 2: Convert to fraction form
    7,078.48/9,764.96 = 4,244.52/x
  3. Step 3: Cross multiply
    7,078.48x = 9,764.96 × 4,244.52
  4. Step 4: Simplify right side
    7,078.48x = 41,447,568.02
  5. Step 5: Solve for x
    x = 41,447,568.02/7,078.48
  6. Step 6: Final answer
    x = 5,855.43

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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.