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Finding the Fourth Proportional to 68,448.75, 94,502.60 and 46,974.43

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Solution

The fourth proportional to 68,448.75, 94,502.60 and 46,974.43 is: 64,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448.75 : 94,502.60 = 46,974.43 : x
  2. Step 2: Convert to fraction form
    68,448.75/94,502.60 = 46,974.43/x
  3. Step 3: Cross multiply
    68,448.75x = 94,502.60 × 46,974.43
  4. Step 4: Simplify right side
    68,448.75x = 4,439,205,827.93
  5. Step 5: Solve for x
    x = 4,439,205,827.93/68,448.75
  6. Step 6: Final answer
    x = 64,854.45

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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.