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Finding the Fourth Proportional to 18,349.88, 25,324.99 and 10,897.88

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Solution

The fourth proportional to 18,349.88, 25,324.99 and 10,897.88 is: 15,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.88 : 25,324.99 = 10,897.88 : x
  2. Step 2: Convert to fraction form
    18,349.88/25,324.99 = 10,897.88/x
  3. Step 3: Cross multiply
    18,349.88x = 25,324.99 × 10,897.88
  4. Step 4: Simplify right side
    18,349.88x = 275,988,548.15
  5. Step 5: Solve for x
    x = 275,988,548.15/18,349.88
  6. Step 6: Final answer
    x = 15,040.35

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1.5x scale

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.