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Finding the Fourth Proportional to 61,519.86, 84,898.98 and 34,663.32

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Solution

The fourth proportional to 61,519.86, 84,898.98 and 34,663.32 is: 47,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.86 : 84,898.98 = 34,663.32 : x
  2. Step 2: Convert to fraction form
    61,519.86/84,898.98 = 34,663.32/x
  3. Step 3: Cross multiply
    61,519.86x = 84,898.98 × 34,663.32
  4. Step 4: Simplify right side
    61,519.86x = 2,942,880,511.41
  5. Step 5: Solve for x
    x = 2,942,880,511.41/61,519.86
  6. Step 6: Final answer
    x = 47,836.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.