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Finding the Fourth Proportional to 69,407.79, 95,782.78 and 37,576.68

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Solution

The fourth proportional to 69,407.79, 95,782.78 and 37,576.68 is: 51,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,407.79 : 95,782.78 = 37,576.68 : x
  2. Step 2: Convert to fraction form
    69,407.79/95,782.78 = 37,576.68/x
  3. Step 3: Cross multiply
    69,407.79x = 95,782.78 × 37,576.68
  4. Step 4: Simplify right side
    69,407.79x = 3,599,198,779.63
  5. Step 5: Solve for x
    x = 3,599,198,779.63/69,407.79
  6. Step 6: Final answer
    x = 51,855.83

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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.