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Finding the Fourth Proportional to 51,155.84, 70,629.86 and 32,043.51

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Solution

The fourth proportional to 51,155.84, 70,629.86 and 32,043.51 is: 44,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,155.84 : 70,629.86 = 32,043.51 : x
  2. Step 2: Convert to fraction form
    51,155.84/70,629.86 = 32,043.51/x
  3. Step 3: Cross multiply
    51,155.84x = 70,629.86 × 32,043.51
  4. Step 4: Simplify right side
    51,155.84x = 2,263,228,625.21
  5. Step 5: Solve for x
    x = 2,263,228,625.21/51,155.84
  6. Step 6: Final answer
    x = 44,241.84

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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.