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Finding the Fourth Proportional to 6,451.95, 8,907.01 and 3,800.22

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Solution

The fourth proportional to 6,451.95, 8,907.01 and 3,800.22 is: 5,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.95 : 8,907.01 = 3,800.22 : x
  2. Step 2: Convert to fraction form
    6,451.95/8,907.01 = 3,800.22/x
  3. Step 3: Cross multiply
    6,451.95x = 8,907.01 × 3,800.22
  4. Step 4: Simplify right side
    6,451.95x = 33,848,576.02
  5. Step 5: Solve for x
    x = 33,848,576.02/6,451.95
  6. Step 6: Final answer
    x = 5,246.25

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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.