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Finding the Fourth Proportional to 18,798, 25,941.57 and 10,299.99

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Solution

The fourth proportional to 18,798, 25,941.57 and 10,299.99 is: 14,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798 : 25,941.57 = 10,299.99 : x
  2. Step 2: Convert to fraction form
    18,798/25,941.57 = 10,299.99/x
  3. Step 3: Cross multiply
    18,798x = 25,941.57 × 10,299.99
  4. Step 4: Simplify right side
    18,798x = 267,197,911.58
  5. Step 5: Solve for x
    x = 267,197,911.58/18,798
  6. Step 6: Final answer
    x = 14,214.17

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Why These Related Problems?

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