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Finding the Fourth Proportional to 7,076.85, 9,766.59 and 4,244.33

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Solution

The fourth proportional to 7,076.85, 9,766.59 and 4,244.33 is: 5,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.85 : 9,766.59 = 4,244.33 : x
  2. Step 2: Convert to fraction form
    7,076.85/9,766.59 = 4,244.33/x
  3. Step 3: Cross multiply
    7,076.85x = 9,766.59 × 4,244.33
  4. Step 4: Simplify right side
    7,076.85x = 41,452,582.10
  5. Step 5: Solve for x
    x = 41,452,582.10/7,076.85
  6. Step 6: Final answer
    x = 5,857.49

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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.