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Finding the Fourth Proportional to 48,405.33, 72,348.48 and 43,650.63

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Solution

The fourth proportional to 48,405.33, 72,348.48 and 43,650.63 is: 65,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.33 : 72,348.48 = 43,650.63 : x
  2. Step 2: Convert to fraction form
    48,405.33/72,348.48 = 43,650.63/x
  3. Step 3: Cross multiply
    48,405.33x = 72,348.48 × 43,650.63
  4. Step 4: Simplify right side
    48,405.33x = 3,158,056,731.54
  5. Step 5: Solve for x
    x = 3,158,056,731.54/48,405.33
  6. Step 6: Final answer
    x = 65,241.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.