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Finding the Fourth Proportional to 58,888.72, 81,269.28 and 33,738.28

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Solution

The fourth proportional to 58,888.72, 81,269.28 and 33,738.28 is: 46,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,888.72 : 81,269.28 = 33,738.28 : x
  2. Step 2: Convert to fraction form
    58,888.72/81,269.28 = 33,738.28/x
  3. Step 3: Cross multiply
    58,888.72x = 81,269.28 × 33,738.28
  4. Step 4: Simplify right side
    58,888.72x = 2,741,885,724.04
  5. Step 5: Solve for x
    x = 2,741,885,724.04/58,888.72
  6. Step 6: Final answer
    x = 46,560.46

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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.