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Finding the Fourth Proportional to 29,643.56, 44,465.41 and 12,113.39

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Solution

The fourth proportional to 29,643.56, 44,465.41 and 12,113.39 is: 18,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.56 : 44,465.41 = 12,113.39 : x
  2. Step 2: Convert to fraction form
    29,643.56/44,465.41 = 12,113.39/x
  3. Step 3: Cross multiply
    29,643.56x = 44,465.41 × 12,113.39
  4. Step 4: Simplify right side
    29,643.56x = 538,626,600.23
  5. Step 5: Solve for x
    x = 538,626,600.23/29,643.56
  6. Step 6: Final answer
    x = 18,170.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.