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Finding the Fourth Proportional to 41,253, 56,930.16 and 22,390.08

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Solution

The fourth proportional to 41,253, 56,930.16 and 22,390.08 is: 30,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,253 : 56,930.16 = 22,390.08 : x
  2. Step 2: Convert to fraction form
    41,253/56,930.16 = 22,390.08/x
  3. Step 3: Cross multiply
    41,253x = 56,930.16 × 22,390.08
  4. Step 4: Simplify right side
    41,253x = 1,274,670,836.81
  5. Step 5: Solve for x
    x = 1,274,670,836.81/41,253
  6. Step 6: Final answer
    x = 30,898.86

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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.