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Finding the Fourth Proportional to 15,857.58, 23,801.88 and 13,241.82

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Solution

The fourth proportional to 15,857.58, 23,801.88 and 13,241.82 is: 19,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.58 : 23,801.88 = 13,241.82 : x
  2. Step 2: Convert to fraction form
    15,857.58/23,801.88 = 13,241.82/x
  3. Step 3: Cross multiply
    15,857.58x = 23,801.88 × 13,241.82
  4. Step 4: Simplify right side
    15,857.58x = 315,180,210.62
  5. Step 5: Solve for x
    x = 315,180,210.62/15,857.58
  6. Step 6: Final answer
    x = 19,875.68

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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.