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Finding the Fourth Proportional to 19,398.40, 29,094.08 and 5,544

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Solution

The fourth proportional to 19,398.40, 29,094.08 and 5,544 is: 8,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.40 : 29,094.08 = 5,544 : x
  2. Step 2: Convert to fraction form
    19,398.40/29,094.08 = 5,544/x
  3. Step 3: Cross multiply
    19,398.40x = 29,094.08 × 5,544
  4. Step 4: Simplify right side
    19,398.40x = 161,297,579.52
  5. Step 5: Solve for x
    x = 161,297,579.52/19,398.40
  6. Step 6: Final answer
    x = 8,314.99

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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.