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Finding the Fourth Proportional to 66,858.63, 100,296.14 and 24,731.57

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Solution

The fourth proportional to 66,858.63, 100,296.14 and 24,731.57 is: 37,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,858.63 : 100,296.14 = 24,731.57 : x
  2. Step 2: Convert to fraction form
    66,858.63/100,296.14 = 24,731.57/x
  3. Step 3: Cross multiply
    66,858.63x = 100,296.14 × 24,731.57
  4. Step 4: Simplify right side
    66,858.63x = 2,480,480,382.00
  5. Step 5: Solve for x
    x = 2,480,480,382.00/66,858.63
  6. Step 6: Final answer
    x = 37,100.38

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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.