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Finding the Fourth Proportional to 10,615.52, 15,921.52 and 3,595.41

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Solution

The fourth proportional to 10,615.52, 15,921.52 and 3,595.41 is: 5,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.52 : 15,921.52 = 3,595.41 : x
  2. Step 2: Convert to fraction form
    10,615.52/15,921.52 = 3,595.41/x
  3. Step 3: Cross multiply
    10,615.52x = 15,921.52 × 3,595.41
  4. Step 4: Simplify right side
    10,615.52x = 57,244,383.23
  5. Step 5: Solve for x
    x = 57,244,383.23/10,615.52
  6. Step 6: Final answer
    x = 5,392.52

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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.