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Finding the Fourth Proportional to 58,027.94, 87,080.82 and 21,091.94

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Solution

The fourth proportional to 58,027.94, 87,080.82 and 21,091.94 is: 31,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,027.94 : 87,080.82 = 21,091.94 : x
  2. Step 2: Convert to fraction form
    58,027.94/87,080.82 = 21,091.94/x
  3. Step 3: Cross multiply
    58,027.94x = 87,080.82 × 21,091.94
  4. Step 4: Simplify right side
    58,027.94x = 1,836,703,430.59
  5. Step 5: Solve for x
    x = 1,836,703,430.59/58,027.94
  6. Step 6: Final answer
    x = 31,652.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.