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Finding the Fourth Proportional to 44,597.78, 66,907.78 and 31,475.78

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Solution

The fourth proportional to 44,597.78, 66,907.78 and 31,475.78 is: 47,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,597.78 : 66,907.78 = 31,475.78 : x
  2. Step 2: Convert to fraction form
    44,597.78/66,907.78 = 31,475.78/x
  3. Step 3: Cross multiply
    44,597.78x = 66,907.78 × 31,475.78
  4. Step 4: Simplify right side
    44,597.78x = 2,105,974,563.57
  5. Step 5: Solve for x
    x = 2,105,974,563.57/44,597.78
  6. Step 6: Final answer
    x = 47,221.51

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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.