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Finding the Fourth Proportional to 68,762.77, 94,900.49 and 38,556.25

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Solution

The fourth proportional to 68,762.77, 94,900.49 and 38,556.25 is: 53,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762.77 : 94,900.49 = 38,556.25 : x
  2. Step 2: Convert to fraction form
    68,762.77/94,900.49 = 38,556.25/x
  3. Step 3: Cross multiply
    68,762.77x = 94,900.49 × 38,556.25
  4. Step 4: Simplify right side
    68,762.77x = 3,659,006,876.70
  5. Step 5: Solve for x
    x = 3,659,006,876.70/68,762.77
  6. Step 6: Final answer
    x = 53,212.04

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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.