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Finding the Fourth Proportional to 67,676.31, 93,391.74 and 37,459.80

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Solution

The fourth proportional to 67,676.31, 93,391.74 and 37,459.80 is: 51,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,676.31 : 93,391.74 = 37,459.80 : x
  2. Step 2: Convert to fraction form
    67,676.31/93,391.74 = 37,459.80/x
  3. Step 3: Cross multiply
    67,676.31x = 93,391.74 × 37,459.80
  4. Step 4: Simplify right side
    67,676.31x = 3,498,435,902.05
  5. Step 5: Solve for x
    x = 3,498,435,902.05/67,676.31
  6. Step 6: Final answer
    x = 51,693.66

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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.