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Finding the Fourth Proportional to 52,571.65, 72,364.72 and 45,845.41

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Solution

The fourth proportional to 52,571.65, 72,364.72 and 45,845.41 is: 63,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571.65 : 72,364.72 = 45,845.41 : x
  2. Step 2: Convert to fraction form
    52,571.65/72,364.72 = 45,845.41/x
  3. Step 3: Cross multiply
    52,571.65x = 72,364.72 × 45,845.41
  4. Step 4: Simplify right side
    52,571.65x = 3,317,589,896.11
  5. Step 5: Solve for x
    x = 3,317,589,896.11/52,571.65
  6. Step 6: Final answer
    x = 63,106.07

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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.