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Finding the Fourth Proportional to 56,508.78, 84,704.01 and 19,055.94

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Solution

The fourth proportional to 56,508.78, 84,704.01 and 19,055.94 is: 28,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.78 : 84,704.01 = 19,055.94 : x
  2. Step 2: Convert to fraction form
    56,508.78/84,704.01 = 19,055.94/x
  3. Step 3: Cross multiply
    56,508.78x = 84,704.01 × 19,055.94
  4. Step 4: Simplify right side
    56,508.78x = 1,614,114,532.32
  5. Step 5: Solve for x
    x = 1,614,114,532.32/56,508.78
  6. Step 6: Final answer
    x = 28,563.96

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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.