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Finding the Fourth Proportional to 52,697.01, 79,046.55 and 19,399.94

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Solution

The fourth proportional to 52,697.01, 79,046.55 and 19,399.94 is: 29,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.01 : 79,046.55 = 19,399.94 : x
  2. Step 2: Convert to fraction form
    52,697.01/79,046.55 = 19,399.94/x
  3. Step 3: Cross multiply
    52,697.01x = 79,046.55 × 19,399.94
  4. Step 4: Simplify right side
    52,697.01x = 1,533,498,228.40
  5. Step 5: Solve for x
    x = 1,533,498,228.40/52,697.01
  6. Step 6: Final answer
    x = 29,100.29

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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.