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Finding the Fourth Proportional to 43,643.53, 60,223.39 and 29,300.46

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Solution

The fourth proportional to 43,643.53, 60,223.39 and 29,300.46 is: 40,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.53 : 60,223.39 = 29,300.46 : x
  2. Step 2: Convert to fraction form
    43,643.53/60,223.39 = 29,300.46/x
  3. Step 3: Cross multiply
    43,643.53x = 60,223.39 × 29,300.46
  4. Step 4: Simplify right side
    43,643.53x = 1,764,573,029.76
  5. Step 5: Solve for x
    x = 1,764,573,029.76/43,643.53
  6. Step 6: Final answer
    x = 40,431.49

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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.