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Finding the Fourth Proportional to 58,991.16, 81,402.54 and 33,839.16

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Solution

The fourth proportional to 58,991.16, 81,402.54 and 33,839.16 is: 46,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.16 : 81,402.54 = 33,839.16 : x
  2. Step 2: Convert to fraction form
    58,991.16/81,402.54 = 33,839.16/x
  3. Step 3: Cross multiply
    58,991.16x = 81,402.54 × 33,839.16
  4. Step 4: Simplify right side
    58,991.16x = 2,754,593,575.47
  5. Step 5: Solve for x
    x = 2,754,593,575.47/58,991.16
  6. Step 6: Final answer
    x = 46,695.02

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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.