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Finding the Fourth Proportional to 48,309.80, 72,464.70 and 32,642.60

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Solution

The fourth proportional to 48,309.80, 72,464.70 and 32,642.60 is: 48,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309.80 : 72,464.70 = 32,642.60 : x
  2. Step 2: Convert to fraction form
    48,309.80/72,464.70 = 32,642.60/x
  3. Step 3: Cross multiply
    48,309.80x = 72,464.70 × 32,642.60
  4. Step 4: Simplify right side
    48,309.80x = 2,365,436,216.22
  5. Step 5: Solve for x
    x = 2,365,436,216.22/48,309.80
  6. Step 6: Final answer
    x = 48,963.90

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1.5x scale

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.