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Finding the Fourth Proportional to 68,849.44, 95,019.51 and 38,642.92

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Solution

The fourth proportional to 68,849.44, 95,019.51 and 38,642.92 is: 53,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.44 : 95,019.51 = 38,642.92 : x
  2. Step 2: Convert to fraction form
    68,849.44/95,019.51 = 38,642.92/x
  3. Step 3: Cross multiply
    68,849.44x = 95,019.51 × 38,642.92
  4. Step 4: Simplify right side
    68,849.44x = 3,671,831,323.37
  5. Step 5: Solve for x
    x = 3,671,831,323.37/68,849.44
  6. Step 6: Final answer
    x = 53,331.32

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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.