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Finding the Fourth Proportional to 3,325.95, 4,986.50 and 2,228.00

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Solution

The fourth proportional to 3,325.95, 4,986.50 and 2,228.00 is: 3,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.95 : 4,986.50 = 2,228.00 : x
  2. Step 2: Convert to fraction form
    3,325.95/4,986.50 = 2,228.00/x
  3. Step 3: Cross multiply
    3,325.95x = 4,986.50 × 2,228.00
  4. Step 4: Simplify right side
    3,325.95x = 11,109,885.93
  5. Step 5: Solve for x
    x = 11,109,885.93/3,325.95
  6. Step 6: Final answer
    x = 3,340.36

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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.