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Finding the Fourth Proportional to 68,801.63, 94,950.09 and 51,775.25

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Solution

The fourth proportional to 68,801.63, 94,950.09 and 51,775.25 is: 71,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801.63 : 94,950.09 = 51,775.25 : x
  2. Step 2: Convert to fraction form
    68,801.63/94,950.09 = 51,775.25/x
  3. Step 3: Cross multiply
    68,801.63x = 94,950.09 × 51,775.25
  4. Step 4: Simplify right side
    68,801.63x = 4,916,064,388.40
  5. Step 5: Solve for x
    x = 4,916,064,388.40/68,801.63
  6. Step 6: Final answer
    x = 71,452.73

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1.5x scale

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.