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Finding the Fourth Proportional to 38,151.92, 52,627.92 and 30,606.68

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Solution

The fourth proportional to 38,151.92, 52,627.92 and 30,606.68 is: 42,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.92 : 52,627.92 = 30,606.68 : x
  2. Step 2: Convert to fraction form
    38,151.92/52,627.92 = 30,606.68/x
  3. Step 3: Cross multiply
    38,151.92x = 52,627.92 × 30,606.68
  4. Step 4: Simplify right side
    38,151.92x = 1,610,765,906.51
  5. Step 5: Solve for x
    x = 1,610,765,906.51/38,151.92
  6. Step 6: Final answer
    x = 42,219.79

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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.