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Finding the Fourth Proportional to 15,591.25, 23,387.08 and 5,203

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Solution

The fourth proportional to 15,591.25, 23,387.08 and 5,203 is: 7,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.25 : 23,387.08 = 5,203 : x
  2. Step 2: Convert to fraction form
    15,591.25/23,387.08 = 5,203/x
  3. Step 3: Cross multiply
    15,591.25x = 23,387.08 × 5,203
  4. Step 4: Simplify right side
    15,591.25x = 121,682,977.24
  5. Step 5: Solve for x
    x = 121,682,977.24/15,591.25
  6. Step 6: Final answer
    x = 7,804.57

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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.