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Finding the Fourth Proportional to 13,241.99, 19,866.43 and 4,924.41

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Solution

The fourth proportional to 13,241.99, 19,866.43 and 4,924.41 is: 7,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.99 : 19,866.43 = 4,924.41 : x
  2. Step 2: Convert to fraction form
    13,241.99/19,866.43 = 4,924.41/x
  3. Step 3: Cross multiply
    13,241.99x = 19,866.43 × 4,924.41
  4. Step 4: Simplify right side
    13,241.99x = 97,830,434.25
  5. Step 5: Solve for x
    x = 97,830,434.25/13,241.99
  6. Step 6: Final answer
    x = 7,387.90

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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.