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Finding the Fourth Proportional to 34,651.94, 51,977.45 and 8,356.47

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Solution

The fourth proportional to 34,651.94, 51,977.45 and 8,356.47 is: 12,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,651.94 : 51,977.45 = 8,356.47 : x
  2. Step 2: Convert to fraction form
    34,651.94/51,977.45 = 8,356.47/x
  3. Step 3: Cross multiply
    34,651.94x = 51,977.45 × 8,356.47
  4. Step 4: Simplify right side
    34,651.94x = 434,348,001.60
  5. Step 5: Solve for x
    x = 434,348,001.60/34,651.94
  6. Step 6: Final answer
    x = 12,534.59

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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.