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Finding the Fourth Proportional to 56,408.37, 77,840.88 and 33,759.84

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Solution

The fourth proportional to 56,408.37, 77,840.88 and 33,759.84 is: 46,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.37 : 77,840.88 = 33,759.84 : x
  2. Step 2: Convert to fraction form
    56,408.37/77,840.88 = 33,759.84/x
  3. Step 3: Cross multiply
    56,408.37x = 77,840.88 × 33,759.84
  4. Step 4: Simplify right side
    56,408.37x = 2,627,895,654.26
  5. Step 5: Solve for x
    x = 2,627,895,654.26/56,408.37
  6. Step 6: Final answer
    x = 46,586.98

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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.