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Finding the Fourth Proportional to 19,366.01, 29,046 and 5,327.09

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Solution

The fourth proportional to 19,366.01, 29,046 and 5,327.09 is: 7,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.01 : 29,046 = 5,327.09 : x
  2. Step 2: Convert to fraction form
    19,366.01/29,046 = 5,327.09/x
  3. Step 3: Cross multiply
    19,366.01x = 29,046 × 5,327.09
  4. Step 4: Simplify right side
    19,366.01x = 154,730,656.14
  5. Step 5: Solve for x
    x = 154,730,656.14/19,366.01
  6. Step 6: Final answer
    x = 7,989.81

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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.