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Finding the Fourth Proportional to 19,196.98, 28,795.44 and 7,502

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Solution

The fourth proportional to 19,196.98, 28,795.44 and 7,502 is: 11,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.98 : 28,795.44 = 7,502 : x
  2. Step 2: Convert to fraction form
    19,196.98/28,795.44 = 7,502/x
  3. Step 3: Cross multiply
    19,196.98x = 28,795.44 × 7,502
  4. Step 4: Simplify right side
    19,196.98x = 216,023,390.88
  5. Step 5: Solve for x
    x = 216,023,390.88/19,196.98
  6. Step 6: Final answer
    x = 11,252.99

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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.