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Finding the Fourth Proportional to 58,879.55, 81,225.24 and 34,989.32

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Solution

The fourth proportional to 58,879.55, 81,225.24 and 34,989.32 is: 48,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,879.55 : 81,225.24 = 34,989.32 : x
  2. Step 2: Convert to fraction form
    58,879.55/81,225.24 = 34,989.32/x
  3. Step 3: Cross multiply
    58,879.55x = 81,225.24 × 34,989.32
  4. Step 4: Simplify right side
    58,879.55x = 2,842,015,914.44
  5. Step 5: Solve for x
    x = 2,842,015,914.44/58,879.55
  6. Step 6: Final answer
    x = 48,268.30

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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.