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Finding the Fourth Proportional to 59,343.68, 81,914.88 and 36,700

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Solution

The fourth proportional to 59,343.68, 81,914.88 and 36,700 is: 50,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,343.68 : 81,914.88 = 36,700 : x
  2. Step 2: Convert to fraction form
    59,343.68/81,914.88 = 36,700/x
  3. Step 3: Cross multiply
    59,343.68x = 81,914.88 × 36,700
  4. Step 4: Simplify right side
    59,343.68x = 3,006,276,096
  5. Step 5: Solve for x
    x = 3,006,276,096/59,343.68
  6. Step 6: Final answer
    x = 50,658.74

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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.