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Finding the Fourth Proportional to 34,696.01, 47,880.73 and 18,780.50

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Solution

The fourth proportional to 34,696.01, 47,880.73 and 18,780.50 is: 25,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,696.01 : 47,880.73 = 18,780.50 : x
  2. Step 2: Convert to fraction form
    34,696.01/47,880.73 = 18,780.50/x
  3. Step 3: Cross multiply
    34,696.01x = 47,880.73 × 18,780.50
  4. Step 4: Simplify right side
    34,696.01x = 899,224,049.77
  5. Step 5: Solve for x
    x = 899,224,049.77/34,696.01
  6. Step 6: Final answer
    x = 25,917.22

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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.