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Finding the Fourth Proportional to 63,457.65, 87,571.26 and 34,777.26

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Solution

The fourth proportional to 63,457.65, 87,571.26 and 34,777.26 is: 47,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,457.65 : 87,571.26 = 34,777.26 : x
  2. Step 2: Convert to fraction form
    63,457.65/87,571.26 = 34,777.26/x
  3. Step 3: Cross multiply
    63,457.65x = 87,571.26 × 34,777.26
  4. Step 4: Simplify right side
    63,457.65x = 3,045,488,477.55
  5. Step 5: Solve for x
    x = 3,045,488,477.55/63,457.65
  6. Step 6: Final answer
    x = 47,992.46

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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.