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Finding the Fourth Proportional to 67,676.40, 93,391.08 and 37,461.60

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Solution

The fourth proportional to 67,676.40, 93,391.08 and 37,461.60 is: 51,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,676.40 : 93,391.08 = 37,461.60 : x
  2. Step 2: Convert to fraction form
    67,676.40/93,391.08 = 37,461.60/x
  3. Step 3: Cross multiply
    67,676.40x = 93,391.08 × 37,461.60
  4. Step 4: Simplify right side
    67,676.40x = 3,498,579,282.53
  5. Step 5: Solve for x
    x = 3,498,579,282.53/67,676.40
  6. Step 6: Final answer
    x = 51,695.71

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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.