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Finding the Fourth Proportional to 61,676.59, 85,115.76 and 37,798.65

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Solution

The fourth proportional to 61,676.59, 85,115.76 and 37,798.65 is: 52,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.59 : 85,115.76 = 37,798.65 : x
  2. Step 2: Convert to fraction form
    61,676.59/85,115.76 = 37,798.65/x
  3. Step 3: Cross multiply
    61,676.59x = 85,115.76 × 37,798.65
  4. Step 4: Simplify right side
    61,676.59x = 3,217,260,632.73
  5. Step 5: Solve for x
    x = 3,217,260,632.73/61,676.59
  6. Step 6: Final answer
    x = 52,163.40

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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.