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Finding the Fourth Proportional to 12,963.03, 19,440.21 and 5,063.49

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Solution

The fourth proportional to 12,963.03, 19,440.21 and 5,063.49 is: 7,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.03 : 19,440.21 = 5,063.49 : x
  2. Step 2: Convert to fraction form
    12,963.03/19,440.21 = 5,063.49/x
  3. Step 3: Cross multiply
    12,963.03x = 19,440.21 × 5,063.49
  4. Step 4: Simplify right side
    12,963.03x = 98,435,308.93
  5. Step 5: Solve for x
    x = 98,435,308.93/12,963.03
  6. Step 6: Final answer
    x = 7,593.54

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1.5x scale

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.