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Finding the Fourth Proportional to 45,662.87, 63,054.84 and 28,696.50

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Solution

The fourth proportional to 45,662.87, 63,054.84 and 28,696.50 is: 39,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,662.87 : 63,054.84 = 28,696.50 : x
  2. Step 2: Convert to fraction form
    45,662.87/63,054.84 = 28,696.50/x
  3. Step 3: Cross multiply
    45,662.87x = 63,054.84 × 28,696.50
  4. Step 4: Simplify right side
    45,662.87x = 1,809,453,216.06
  5. Step 5: Solve for x
    x = 1,809,453,216.06/45,662.87
  6. Step 6: Final answer
    x = 39,626.36

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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.