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Finding the Fourth Proportional to 44,458.98, 66,706.49 and 19,485.87

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Solution

The fourth proportional to 44,458.98, 66,706.49 and 19,485.87 is: 29,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,458.98 : 66,706.49 = 19,485.87 : x
  2. Step 2: Convert to fraction form
    44,458.98/66,706.49 = 19,485.87/x
  3. Step 3: Cross multiply
    44,458.98x = 66,706.49 × 19,485.87
  4. Step 4: Simplify right side
    44,458.98x = 1,299,833,992.30
  5. Step 5: Solve for x
    x = 1,299,833,992.30/44,458.98
  6. Step 6: Final answer
    x = 29,236.70

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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.