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Finding the Fourth Proportional to 18,745.04, 25,868.04 and 10,361.52

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Solution

The fourth proportional to 18,745.04, 25,868.04 and 10,361.52 is: 14,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.04 : 25,868.04 = 10,361.52 : x
  2. Step 2: Convert to fraction form
    18,745.04/25,868.04 = 10,361.52/x
  3. Step 3: Cross multiply
    18,745.04x = 25,868.04 × 10,361.52
  4. Step 4: Simplify right side
    18,745.04x = 268,032,213.82
  5. Step 5: Solve for x
    x = 268,032,213.82/18,745.04
  6. Step 6: Final answer
    x = 14,298.83

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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.