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Finding the Fourth Proportional to 69,582.41, 96,028.48 and 39,367.72

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Solution

The fourth proportional to 69,582.41, 96,028.48 and 39,367.72 is: 54,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,582.41 : 96,028.48 = 39,367.72 : x
  2. Step 2: Convert to fraction form
    69,582.41/96,028.48 = 39,367.72/x
  3. Step 3: Cross multiply
    69,582.41x = 96,028.48 × 39,367.72
  4. Step 4: Simplify right side
    69,582.41x = 3,780,422,312.67
  5. Step 5: Solve for x
    x = 3,780,422,312.67/69,582.41
  6. Step 6: Final answer
    x = 54,330.14

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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.