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Finding the Fourth Proportional to 13,241.52, 18,272.93 and 7,576.52

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Solution

The fourth proportional to 13,241.52, 18,272.93 and 7,576.52 is: 10,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.52 : 18,272.93 = 7,576.52 : x
  2. Step 2: Convert to fraction form
    13,241.52/18,272.93 = 7,576.52/x
  3. Step 3: Cross multiply
    13,241.52x = 18,272.93 × 7,576.52
  4. Step 4: Simplify right side
    13,241.52x = 138,445,090.36
  5. Step 5: Solve for x
    x = 138,445,090.36/13,241.52
  6. Step 6: Final answer
    x = 10,455.38

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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.