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Finding the Fourth Proportional to 69,788.74, 96,330.38 and 39,594.13

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Solution

The fourth proportional to 69,788.74, 96,330.38 and 39,594.13 is: 54,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.74 : 96,330.38 = 39,594.13 : x
  2. Step 2: Convert to fraction form
    69,788.74/96,330.38 = 39,594.13/x
  3. Step 3: Cross multiply
    69,788.74x = 96,330.38 × 39,594.13
  4. Step 4: Simplify right side
    69,788.74x = 3,814,117,588.67
  5. Step 5: Solve for x
    x = 3,814,117,588.67/69,788.74
  6. Step 6: Final answer
    x = 54,652.33

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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.