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Finding the Fourth Proportional to 59,283.42, 81,812.43 and 35,405.61

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Solution

The fourth proportional to 59,283.42, 81,812.43 and 35,405.61 is: 48,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,283.42 : 81,812.43 = 35,405.61 : x
  2. Step 2: Convert to fraction form
    59,283.42/81,812.43 = 35,405.61/x
  3. Step 3: Cross multiply
    59,283.42x = 81,812.43 × 35,405.61
  4. Step 4: Simplify right side
    59,283.42x = 2,896,618,989.73
  5. Step 5: Solve for x
    x = 2,896,618,989.73/59,283.42
  6. Step 6: Final answer
    x = 48,860.52

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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.