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Finding the Fourth Proportional to 16,152, 24,237.72 and 6,918

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Solution

The fourth proportional to 16,152, 24,237.72 and 6,918 is: 10,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,152 : 24,237.72 = 6,918 : x
  2. Step 2: Convert to fraction form
    16,152/24,237.72 = 6,918/x
  3. Step 3: Cross multiply
    16,152x = 24,237.72 × 6,918
  4. Step 4: Simplify right side
    16,152x = 167,676,546.96
  5. Step 5: Solve for x
    x = 167,676,546.96/16,152
  6. Step 6: Final answer
    x = 10,381.16

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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.