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Finding the Fourth Proportional to 59,457.38, 89,123.22 and 21,993.39

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Solution

The fourth proportional to 59,457.38, 89,123.22 and 21,993.39 is: 32,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,457.38 : 89,123.22 = 21,993.39 : x
  2. Step 2: Convert to fraction form
    59,457.38/89,123.22 = 21,993.39/x
  3. Step 3: Cross multiply
    59,457.38x = 89,123.22 × 21,993.39
  4. Step 4: Simplify right side
    59,457.38x = 1,960,121,735.52
  5. Step 5: Solve for x
    x = 1,960,121,735.52/59,457.38
  6. Step 6: Final answer
    x = 32,966.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.