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Finding the Fourth Proportional to 32,861.55, 49,296.44 and 12,868.47

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Solution

The fourth proportional to 32,861.55, 49,296.44 and 12,868.47 is: 19,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,861.55 : 49,296.44 = 12,868.47 : x
  2. Step 2: Convert to fraction form
    32,861.55/49,296.44 = 12,868.47/x
  3. Step 3: Cross multiply
    32,861.55x = 49,296.44 × 12,868.47
  4. Step 4: Simplify right side
    32,861.55x = 634,369,694.90
  5. Step 5: Solve for x
    x = 634,369,694.90/32,861.55
  6. Step 6: Final answer
    x = 19,304.31

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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.