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Finding the Fourth Proportional to 69,405.67, 95,780.03 and 37,574.49

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Solution

The fourth proportional to 69,405.67, 95,780.03 and 37,574.49 is: 51,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.67 : 95,780.03 = 37,574.49 : x
  2. Step 2: Convert to fraction form
    69,405.67/95,780.03 = 37,574.49/x
  3. Step 3: Cross multiply
    69,405.67x = 95,780.03 × 37,574.49
  4. Step 4: Simplify right side
    69,405.67x = 3,598,885,779.43
  5. Step 5: Solve for x
    x = 3,598,885,779.43/69,405.67
  6. Step 6: Final answer
    x = 51,852.91

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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.