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Finding the Fourth Proportional to 5,135.01, 7,662.18 and 4,821.54

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Solution

The fourth proportional to 5,135.01, 7,662.18 and 4,821.54 is: 7,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.01 : 7,662.18 = 4,821.54 : x
  2. Step 2: Convert to fraction form
    5,135.01/7,662.18 = 4,821.54/x
  3. Step 3: Cross multiply
    5,135.01x = 7,662.18 × 4,821.54
  4. Step 4: Simplify right side
    5,135.01x = 36,943,507.36
  5. Step 5: Solve for x
    x = 36,943,507.36/5,135.01
  6. Step 6: Final answer
    x = 7,194.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.