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Finding the Fourth Proportional to 63,510.24, 87,643.98 and 36,651.72

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Solution

The fourth proportional to 63,510.24, 87,643.98 and 36,651.72 is: 50,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,510.24 : 87,643.98 = 36,651.72 : x
  2. Step 2: Convert to fraction form
    63,510.24/87,643.98 = 36,651.72/x
  3. Step 3: Cross multiply
    63,510.24x = 87,643.98 × 36,651.72
  4. Step 4: Simplify right side
    63,510.24x = 3,212,302,614.65
  5. Step 5: Solve for x
    x = 3,212,302,614.65/63,510.24
  6. Step 6: Final answer
    x = 50,579.29

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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.