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Finding the Fourth Proportional to 14,471.61, 21,707.42 and 9,540.10

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Solution

The fourth proportional to 14,471.61, 21,707.42 and 9,540.10 is: 14,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.61 : 21,707.42 = 9,540.10 : x
  2. Step 2: Convert to fraction form
    14,471.61/21,707.42 = 9,540.10/x
  3. Step 3: Cross multiply
    14,471.61x = 21,707.42 × 9,540.10
  4. Step 4: Simplify right side
    14,471.61x = 207,090,936.98
  5. Step 5: Solve for x
    x = 207,090,936.98/14,471.61
  6. Step 6: Final answer
    x = 14,310.16

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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.