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Finding the Fourth Proportional to 13,092.93, 19,638.18 and 8,400.60

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Solution

The fourth proportional to 13,092.93, 19,638.18 and 8,400.60 is: 12,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.93 : 19,638.18 = 8,400.60 : x
  2. Step 2: Convert to fraction form
    13,092.93/19,638.18 = 8,400.60/x
  3. Step 3: Cross multiply
    13,092.93x = 19,638.18 × 8,400.60
  4. Step 4: Simplify right side
    13,092.93x = 164,972,494.91
  5. Step 5: Solve for x
    x = 164,972,494.91/13,092.93
  6. Step 6: Final answer
    x = 12,600.12

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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.