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Finding the Fourth Proportional to 68,962.79, 95,162.76 and 38,745.74

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Solution

The fourth proportional to 68,962.79, 95,162.76 and 38,745.74 is: 53,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962.79 : 95,162.76 = 38,745.74 : x
  2. Step 2: Convert to fraction form
    68,962.79/95,162.76 = 38,745.74/x
  3. Step 3: Cross multiply
    68,962.79x = 95,162.76 × 38,745.74
  4. Step 4: Simplify right side
    68,962.79x = 3,687,151,556.64
  5. Step 5: Solve for x
    x = 3,687,151,556.64/68,962.79
  6. Step 6: Final answer
    x = 53,465.81

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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.