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Finding the Fourth Proportional to 17,312.40, 23,887.98 and 10,238.40

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Solution

The fourth proportional to 17,312.40, 23,887.98 and 10,238.40 is: 14,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.40 : 23,887.98 = 10,238.40 : x
  2. Step 2: Convert to fraction form
    17,312.40/23,887.98 = 10,238.40/x
  3. Step 3: Cross multiply
    17,312.40x = 23,887.98 × 10,238.40
  4. Step 4: Simplify right side
    17,312.40x = 244,574,694.43
  5. Step 5: Solve for x
    x = 244,574,694.43/17,312.40
  6. Step 6: Final answer
    x = 14,127.14

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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.