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Finding the Fourth Proportional to 58,727.99, 81,111.92 and 38,674.51

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Solution

The fourth proportional to 58,727.99, 81,111.92 and 38,674.51 is: 53,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.99 : 81,111.92 = 38,674.51 : x
  2. Step 2: Convert to fraction form
    58,727.99/81,111.92 = 38,674.51/x
  3. Step 3: Cross multiply
    58,727.99x = 81,111.92 × 38,674.51
  4. Step 4: Simplify right side
    58,727.99x = 3,136,963,365.01
  5. Step 5: Solve for x
    x = 3,136,963,365.01/58,727.99
  6. Step 6: Final answer
    x = 53,415.13

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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.