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Finding the Fourth Proportional to 35,277.44, 48,687.36 and 20,373.44

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Solution

The fourth proportional to 35,277.44, 48,687.36 and 20,373.44 is: 28,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.44 : 48,687.36 = 20,373.44 : x
  2. Step 2: Convert to fraction form
    35,277.44/48,687.36 = 20,373.44/x
  3. Step 3: Cross multiply
    35,277.44x = 48,687.36 × 20,373.44
  4. Step 4: Simplify right side
    35,277.44x = 991,929,007.72
  5. Step 5: Solve for x
    x = 991,929,007.72/35,277.44
  6. Step 6: Final answer
    x = 28,117.94

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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.