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Finding the Fourth Proportional to 53,662.65, 80,510.99 and 41,856.90

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Solution

The fourth proportional to 53,662.65, 80,510.99 and 41,856.90 is: 62,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.65 : 80,510.99 = 41,856.90 : x
  2. Step 2: Convert to fraction form
    53,662.65/80,510.99 = 41,856.90/x
  3. Step 3: Cross multiply
    53,662.65x = 80,510.99 × 41,856.90
  4. Step 4: Simplify right side
    53,662.65x = 3,369,940,457.33
  5. Step 5: Solve for x
    x = 3,369,940,457.33/53,662.65
  6. Step 6: Final answer
    x = 62,798.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.