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Finding the Fourth Proportional to 35,339.84, 48,768.80 and 20,232.48

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Solution

The fourth proportional to 35,339.84, 48,768.80 and 20,232.48 is: 27,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.84 : 48,768.80 = 20,232.48 : x
  2. Step 2: Convert to fraction form
    35,339.84/48,768.80 = 20,232.48/x
  3. Step 3: Cross multiply
    35,339.84x = 48,768.80 × 20,232.48
  4. Step 4: Simplify right side
    35,339.84x = 986,713,770.62
  5. Step 5: Solve for x
    x = 986,713,770.62/35,339.84
  6. Step 6: Final answer
    x = 27,920.72

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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.