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Finding the Fourth Proportional to 53,703.47, 74,131.45 and 35,791.94

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Solution

The fourth proportional to 53,703.47, 74,131.45 and 35,791.94 is: 49,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,703.47 : 74,131.45 = 35,791.94 : x
  2. Step 2: Convert to fraction form
    53,703.47/74,131.45 = 35,791.94/x
  3. Step 3: Cross multiply
    53,703.47x = 74,131.45 × 35,791.94
  4. Step 4: Simplify right side
    53,703.47x = 2,653,308,410.51
  5. Step 5: Solve for x
    x = 2,653,308,410.51/53,703.47
  6. Step 6: Final answer
    x = 49,406.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.