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Finding the Fourth Proportional to 8,907.71, 13,361.42 and 3,064.37

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Solution

The fourth proportional to 8,907.71, 13,361.42 and 3,064.37 is: 4,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.71 : 13,361.42 = 3,064.37 : x
  2. Step 2: Convert to fraction form
    8,907.71/13,361.42 = 3,064.37/x
  3. Step 3: Cross multiply
    8,907.71x = 13,361.42 × 3,064.37
  4. Step 4: Simplify right side
    8,907.71x = 40,944,260.14
  5. Step 5: Solve for x
    x = 40,944,260.14/8,907.71
  6. Step 6: Final answer
    x = 4,596.50

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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.