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Finding the Fourth Proportional to 45,805.81, 69,020.73 and 37,668.10

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Solution

The fourth proportional to 45,805.81, 69,020.73 and 37,668.10 is: 56,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.81 : 69,020.73 = 37,668.10 : x
  2. Step 2: Convert to fraction form
    45,805.81/69,020.73 = 37,668.10/x
  3. Step 3: Cross multiply
    45,805.81x = 69,020.73 × 37,668.10
  4. Step 4: Simplify right side
    45,805.81x = 2,599,879,759.71
  5. Step 5: Solve for x
    x = 2,599,879,759.71/45,805.81
  6. Step 6: Final answer
    x = 56,758.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.