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Finding the Fourth Proportional to 59,137.84, 81,628.31 and 36,483.88

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Solution

The fourth proportional to 59,137.84, 81,628.31 and 36,483.88 is: 50,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,137.84 : 81,628.31 = 36,483.88 : x
  2. Step 2: Convert to fraction form
    59,137.84/81,628.31 = 36,483.88/x
  3. Step 3: Cross multiply
    59,137.84x = 81,628.31 × 36,483.88
  4. Step 4: Simplify right side
    59,137.84x = 2,978,117,466.64
  5. Step 5: Solve for x
    x = 2,978,117,466.64/59,137.84
  6. Step 6: Final answer
    x = 50,358.92

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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.