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Finding the Fourth Proportional to 35,341.52, 48,768.95 and 20,234.30

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Solution

The fourth proportional to 35,341.52, 48,768.95 and 20,234.30 is: 27,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,341.52 : 48,768.95 = 20,234.30 : x
  2. Step 2: Convert to fraction form
    35,341.52/48,768.95 = 20,234.30/x
  3. Step 3: Cross multiply
    35,341.52x = 48,768.95 × 20,234.30
  4. Step 4: Simplify right side
    35,341.52x = 986,805,371.73
  5. Step 5: Solve for x
    x = 986,805,371.73/35,341.52
  6. Step 6: Final answer
    x = 27,921.99

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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.