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Finding the Fourth Proportional to 59,216.40, 81,719.64 and 35,338.44

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Solution

The fourth proportional to 59,216.40, 81,719.64 and 35,338.44 is: 48,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,216.40 : 81,719.64 = 35,338.44 : x
  2. Step 2: Convert to fraction form
    59,216.40/81,719.64 = 35,338.44/x
  3. Step 3: Cross multiply
    59,216.40x = 81,719.64 × 35,338.44
  4. Step 4: Simplify right side
    59,216.40x = 2,887,844,594.96
  5. Step 5: Solve for x
    x = 2,887,844,594.96/59,216.40
  6. Step 6: Final answer
    x = 48,767.65

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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.