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Finding the Fourth Proportional to 10,152, 14,011.68 and 5,736

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Solution

The fourth proportional to 10,152, 14,011.68 and 5,736 is: 7,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152 : 14,011.68 = 5,736 : x
  2. Step 2: Convert to fraction form
    10,152/14,011.68 = 5,736/x
  3. Step 3: Cross multiply
    10,152x = 14,011.68 × 5,736
  4. Step 4: Simplify right side
    10,152x = 80,370,996.48
  5. Step 5: Solve for x
    x = 80,370,996.48/10,152
  6. Step 6: Final answer
    x = 7,916.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.