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Finding the Fourth Proportional to 35,335.92, 48,749.60 and 22,768

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Solution

The fourth proportional to 35,335.92, 48,749.60 and 22,768 is: 31,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.92 : 48,749.60 = 22,768 : x
  2. Step 2: Convert to fraction form
    35,335.92/48,749.60 = 22,768/x
  3. Step 3: Cross multiply
    35,335.92x = 48,749.60 × 22,768
  4. Step 4: Simplify right side
    35,335.92x = 1,109,930,892.80
  5. Step 5: Solve for x
    x = 1,109,930,892.80/35,335.92
  6. Step 6: Final answer
    x = 31,410.84

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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.