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Finding the Fourth Proportional to 68,883.95, 95,059.80 and 38,669.33

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Solution

The fourth proportional to 68,883.95, 95,059.80 and 38,669.33 is: 53,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,883.95 : 95,059.80 = 38,669.33 : x
  2. Step 2: Convert to fraction form
    68,883.95/95,059.80 = 38,669.33/x
  3. Step 3: Cross multiply
    68,883.95x = 95,059.80 × 38,669.33
  4. Step 4: Simplify right side
    68,883.95x = 3,675,898,775.93
  5. Step 5: Solve for x
    x = 3,675,898,775.93/68,883.95
  6. Step 6: Final answer
    x = 53,363.65

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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.