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Finding the Fourth Proportional to 35,127.88, 48,477.82 and 20,022.92

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Solution

The fourth proportional to 35,127.88, 48,477.82 and 20,022.92 is: 27,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,127.88 : 48,477.82 = 20,022.92 : x
  2. Step 2: Convert to fraction form
    35,127.88/48,477.82 = 20,022.92/x
  3. Step 3: Cross multiply
    35,127.88x = 48,477.82 × 20,022.92
  4. Step 4: Simplify right side
    35,127.88x = 970,667,511.63
  5. Step 5: Solve for x
    x = 970,667,511.63/35,127.88
  6. Step 6: Final answer
    x = 27,632.40

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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.