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Finding the Fourth Proportional to 48,445.44, 72,512.64 and 32,621.28

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Solution

The fourth proportional to 48,445.44, 72,512.64 and 32,621.28 is: 48,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.44 : 72,512.64 = 32,621.28 : x
  2. Step 2: Convert to fraction form
    48,445.44/72,512.64 = 32,621.28/x
  3. Step 3: Cross multiply
    48,445.44x = 72,512.64 × 32,621.28
  4. Step 4: Simplify right side
    48,445.44x = 2,365,455,132.98
  5. Step 5: Solve for x
    x = 2,365,455,132.98/48,445.44
  6. Step 6: Final answer
    x = 48,827.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.