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Finding the Fourth Proportional to 56,463.69, 84,676.87 and 19,014.47

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Solution

The fourth proportional to 56,463.69, 84,676.87 and 19,014.47 is: 28,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.69 : 84,676.87 = 19,014.47 : x
  2. Step 2: Convert to fraction form
    56,463.69/84,676.87 = 19,014.47/x
  3. Step 3: Cross multiply
    56,463.69x = 84,676.87 × 19,014.47
  4. Step 4: Simplify right side
    56,463.69x = 1,610,085,431.22
  5. Step 5: Solve for x
    x = 1,610,085,431.22/56,463.69
  6. Step 6: Final answer
    x = 28,515.41

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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.