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Finding the Fourth Proportional to 19,866.03, 29,799.01 and 5,074.95

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Solution

The fourth proportional to 19,866.03, 29,799.01 and 5,074.95 is: 7,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.03 : 29,799.01 = 5,074.95 : x
  2. Step 2: Convert to fraction form
    19,866.03/29,799.01 = 5,074.95/x
  3. Step 3: Cross multiply
    19,866.03x = 29,799.01 × 5,074.95
  4. Step 4: Simplify right side
    19,866.03x = 151,228,485.80
  5. Step 5: Solve for x
    x = 151,228,485.80/19,866.03
  6. Step 6: Final answer
    x = 7,612.42

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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.