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Finding the Fourth Proportional to 69,763.41, 96,271.47 and 39,551.52

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Solution

The fourth proportional to 69,763.41, 96,271.47 and 39,551.52 is: 54,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.41 : 96,271.47 = 39,551.52 : x
  2. Step 2: Convert to fraction form
    69,763.41/96,271.47 = 39,551.52/x
  3. Step 3: Cross multiply
    69,763.41x = 96,271.47 × 39,551.52
  4. Step 4: Simplify right side
    69,763.41x = 3,807,682,971.13
  5. Step 5: Solve for x
    x = 3,807,682,971.13/69,763.41
  6. Step 6: Final answer
    x = 54,579.94

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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.