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Finding the Fourth Proportional to 56,292.64, 77,671.92 and 33,625.60

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Solution

The fourth proportional to 56,292.64, 77,671.92 and 33,625.60 is: 46,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,292.64 : 77,671.92 = 33,625.60 : x
  2. Step 2: Convert to fraction form
    56,292.64/77,671.92 = 33,625.60/x
  3. Step 3: Cross multiply
    56,292.64x = 77,671.92 × 33,625.60
  4. Step 4: Simplify right side
    56,292.64x = 2,611,764,913.15
  5. Step 5: Solve for x
    x = 2,611,764,913.15/56,292.64
  6. Step 6: Final answer
    x = 46,396.21

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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.