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Finding the Fourth Proportional to 14,241.58, 19,653.65 and 7,868.50

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Solution

The fourth proportional to 14,241.58, 19,653.65 and 7,868.50 is: 10,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.58 : 19,653.65 = 7,868.50 : x
  2. Step 2: Convert to fraction form
    14,241.58/19,653.65 = 7,868.50/x
  3. Step 3: Cross multiply
    14,241.58x = 19,653.65 × 7,868.50
  4. Step 4: Simplify right side
    14,241.58x = 154,644,745.03
  5. Step 5: Solve for x
    x = 154,644,745.03/14,241.58
  6. Step 6: Final answer
    x = 10,858.68

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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.