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Finding the Fourth Proportional to 59,297.70, 81,860.58 and 45,838.56

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Solution

The fourth proportional to 59,297.70, 81,860.58 and 45,838.56 is: 63,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,297.70 : 81,860.58 = 45,838.56 : x
  2. Step 2: Convert to fraction form
    59,297.70/81,860.58 = 45,838.56/x
  3. Step 3: Cross multiply
    59,297.70x = 81,860.58 × 45,838.56
  4. Step 4: Simplify right side
    59,297.70x = 3,752,371,107.96
  5. Step 5: Solve for x
    x = 3,752,371,107.96/59,297.70
  6. Step 6: Final answer
    x = 63,280.21

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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.