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Finding the Fourth Proportional to 12,735.54, 19,103.01 and 7,503.73

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Solution

The fourth proportional to 12,735.54, 19,103.01 and 7,503.73 is: 11,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.54 : 19,103.01 = 7,503.73 : x
  2. Step 2: Convert to fraction form
    12,735.54/19,103.01 = 7,503.73/x
  3. Step 3: Cross multiply
    12,735.54x = 19,103.01 × 7,503.73
  4. Step 4: Simplify right side
    12,735.54x = 143,343,829.23
  5. Step 5: Solve for x
    x = 143,343,829.23/12,735.54
  6. Step 6: Final answer
    x = 11,255.42

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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.