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Finding the Fourth Proportional to 57,898.32, 79,874.28 and 44,445.84

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Solution

The fourth proportional to 57,898.32, 79,874.28 and 44,445.84 is: 61,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.32 : 79,874.28 = 44,445.84 : x
  2. Step 2: Convert to fraction form
    57,898.32/79,874.28 = 44,445.84/x
  3. Step 3: Cross multiply
    57,898.32x = 79,874.28 × 44,445.84
  4. Step 4: Simplify right side
    57,898.32x = 3,550,079,469.00
  5. Step 5: Solve for x
    x = 3,550,079,469.00/57,898.32
  6. Step 6: Final answer
    x = 61,315.76

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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.