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Finding the Fourth Proportional to 58,889.36, 81,268.36 and 33,738.96

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Solution

The fourth proportional to 58,889.36, 81,268.36 and 33,738.96 is: 46,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,889.36 : 81,268.36 = 33,738.96 : x
  2. Step 2: Convert to fraction form
    58,889.36/81,268.36 = 33,738.96/x
  3. Step 3: Cross multiply
    58,889.36x = 81,268.36 × 33,738.96
  4. Step 4: Simplify right side
    58,889.36x = 2,741,909,947.31
  5. Step 5: Solve for x
    x = 2,741,909,947.31/58,889.36
  6. Step 6: Final answer
    x = 46,560.36

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1.5x scale

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.