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Finding the Fourth Proportional to 36,759,477.51, 50,729,287.50 and 20,240,815.01

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Solution

The fourth proportional to 36,759,477.51, 50,729,287.50 and 20,240,815.01 is: 27,932,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759,477.51 : 50,729,287.50 = 20,240,815.01 : x
  2. Step 2: Convert to fraction form
    36,759,477.51/50,729,287.50 = 20,240,815.01/x
  3. Step 3: Cross multiply
    36,759,477.51x = 50,729,287.50 × 20,240,815.01
  4. Step 4: Simplify right side
    36,759,477.51x = 1,026,802,123,622,958.88
  5. Step 5: Solve for x
    x = 1,026,802,123,622,958.88/36,759,477.51
  6. Step 6: Final answer
    x = 27,932,990.16

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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.