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Finding the Fourth Proportional to 44,844, 61,890.66 and 28,974.60

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Solution

The fourth proportional to 44,844, 61,890.66 and 28,974.60 is: 39,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,844 : 61,890.66 = 28,974.60 : x
  2. Step 2: Convert to fraction form
    44,844/61,890.66 = 28,974.60/x
  3. Step 3: Cross multiply
    44,844x = 61,890.66 × 28,974.60
  4. Step 4: Simplify right side
    44,844x = 1,793,257,117.24
  5. Step 5: Solve for x
    x = 1,793,257,117.24/44,844
  6. Step 6: Final answer
    x = 39,988.79

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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.