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Finding the Fourth Proportional to 57,415.68, 86,137.26 and 27,798.90

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Solution

The fourth proportional to 57,415.68, 86,137.26 and 27,798.90 is: 41,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.68 : 86,137.26 = 27,798.90 : x
  2. Step 2: Convert to fraction form
    57,415.68/86,137.26 = 27,798.90/x
  3. Step 3: Cross multiply
    57,415.68x = 86,137.26 × 27,798.90
  4. Step 4: Simplify right side
    57,415.68x = 2,394,521,077.01
  5. Step 5: Solve for x
    x = 2,394,521,077.01/57,415.68
  6. Step 6: Final answer
    x = 41,705.00

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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.