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Finding the Fourth Proportional to 74,676.37, 102,996.48 and 50,762.74

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Solution

The fourth proportional to 74,676.37, 102,996.48 and 50,762.74 is: 70,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,676.37 : 102,996.48 = 50,762.74 : x
  2. Step 2: Convert to fraction form
    74,676.37/102,996.48 = 50,762.74/x
  3. Step 3: Cross multiply
    74,676.37x = 102,996.48 × 50,762.74
  4. Step 4: Simplify right side
    74,676.37x = 5,228,383,535.16
  5. Step 5: Solve for x
    x = 5,228,383,535.16/74,676.37
  6. Step 6: Final answer
    x = 70,013.90

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1.5x scale

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.