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Finding the Fourth Proportional to 56,352.78, 84,543.22 and 16,910.62

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Solution

The fourth proportional to 56,352.78, 84,543.22 and 16,910.62 is: 25,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.78 : 84,543.22 = 16,910.62 : x
  2. Step 2: Convert to fraction form
    56,352.78/84,543.22 = 16,910.62/x
  3. Step 3: Cross multiply
    56,352.78x = 84,543.22 × 16,910.62
  4. Step 4: Simplify right side
    56,352.78x = 1,429,678,267.00
  5. Step 5: Solve for x
    x = 1,429,678,267.00/56,352.78
  6. Step 6: Final answer
    x = 25,370.15

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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.