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Finding the Fourth Proportional to 48,649.60, 72,832.23 and 43,980.36

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Solution

The fourth proportional to 48,649.60, 72,832.23 and 43,980.36 is: 65,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.60 : 72,832.23 = 43,980.36 : x
  2. Step 2: Convert to fraction form
    48,649.60/72,832.23 = 43,980.36/x
  3. Step 3: Cross multiply
    48,649.60x = 72,832.23 × 43,980.36
  4. Step 4: Simplify right side
    48,649.60x = 3,203,187,695.00
  5. Step 5: Solve for x
    x = 3,203,187,695.00/48,649.60
  6. Step 6: Final answer
    x = 65,842.02

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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.