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Finding the Fourth Proportional to 60,671.64, 83,729.28 and 33,813.90

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Solution

The fourth proportional to 60,671.64, 83,729.28 and 33,813.90 is: 46,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,671.64 : 83,729.28 = 33,813.90 : x
  2. Step 2: Convert to fraction form
    60,671.64/83,729.28 = 33,813.90/x
  3. Step 3: Cross multiply
    60,671.64x = 83,729.28 × 33,813.90
  4. Step 4: Simplify right side
    60,671.64x = 2,831,213,500.99
  5. Step 5: Solve for x
    x = 2,831,213,500.99/60,671.64
  6. Step 6: Final answer
    x = 46,664.53

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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.