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Finding the Fourth Proportional to 19,049.54, 28,600.54 and 9,695.90

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Solution

The fourth proportional to 19,049.54, 28,600.54 and 9,695.90 is: 14,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.54 : 28,600.54 = 9,695.90 : x
  2. Step 2: Convert to fraction form
    19,049.54/28,600.54 = 9,695.90/x
  3. Step 3: Cross multiply
    19,049.54x = 28,600.54 × 9,695.90
  4. Step 4: Simplify right side
    19,049.54x = 277,307,975.79
  5. Step 5: Solve for x
    x = 277,307,975.79/19,049.54
  6. Step 6: Final answer
    x = 14,557.20

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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.