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Finding the Fourth Proportional to 65,917.84, 90,898.44 and 45,797.52

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Solution

The fourth proportional to 65,917.84, 90,898.44 and 45,797.52 is: 63,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.84 : 90,898.44 = 45,797.52 : x
  2. Step 2: Convert to fraction form
    65,917.84/90,898.44 = 45,797.52/x
  3. Step 3: Cross multiply
    65,917.84x = 90,898.44 × 45,797.52
  4. Step 4: Simplify right side
    65,917.84x = 4,162,923,123.87
  5. Step 5: Solve for x
    x = 4,162,923,123.87/65,917.84
  6. Step 6: Final answer
    x = 63,153.21

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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.