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Finding the Fourth Proportional to 45,662.99, 63,055.01 and 28,696.63

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Solution

The fourth proportional to 45,662.99, 63,055.01 and 28,696.63 is: 39,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,662.99 : 63,055.01 = 28,696.63 : x
  2. Step 2: Convert to fraction form
    45,662.99/63,055.01 = 28,696.63/x
  3. Step 3: Cross multiply
    45,662.99x = 63,055.01 × 28,696.63
  4. Step 4: Simplify right side
    45,662.99x = 1,809,466,148.13
  5. Step 5: Solve for x
    x = 1,809,466,148.13/45,662.99
  6. Step 6: Final answer
    x = 39,626.54

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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.