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Finding the Fourth Proportional to 41,718.88, 62,588.88 and 12,136

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Solution

The fourth proportional to 41,718.88, 62,588.88 and 12,136 is: 18,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,718.88 : 62,588.88 = 12,136 : x
  2. Step 2: Convert to fraction form
    41,718.88/62,588.88 = 12,136/x
  3. Step 3: Cross multiply
    41,718.88x = 62,588.88 × 12,136
  4. Step 4: Simplify right side
    41,718.88x = 759,578,647.68
  5. Step 5: Solve for x
    x = 759,578,647.68/41,718.88
  6. Step 6: Final answer
    x = 18,207.07

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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.