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Finding the Fourth Proportional to 5,076.95, 6,994.05 and 4,174.81

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Solution

The fourth proportional to 5,076.95, 6,994.05 and 4,174.81 is: 5,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.95 : 6,994.05 = 4,174.81 : x
  2. Step 2: Convert to fraction form
    5,076.95/6,994.05 = 4,174.81/x
  3. Step 3: Cross multiply
    5,076.95x = 6,994.05 × 4,174.81
  4. Step 4: Simplify right side
    5,076.95x = 29,198,796.74
  5. Step 5: Solve for x
    x = 29,198,796.74/5,076.95
  6. Step 6: Final answer
    x = 5,751.25

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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.