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Finding the Fourth Proportional to 18,042.01, 24,896.97 and 9,975.19

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Solution

The fourth proportional to 18,042.01, 24,896.97 and 9,975.19 is: 13,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.01 : 24,896.97 = 9,975.19 : x
  2. Step 2: Convert to fraction form
    18,042.01/24,896.97 = 9,975.19/x
  3. Step 3: Cross multiply
    18,042.01x = 24,896.97 × 9,975.19
  4. Step 4: Simplify right side
    18,042.01x = 248,352,071.07
  5. Step 5: Solve for x
    x = 248,352,071.07/18,042.01
  6. Step 6: Final answer
    x = 13,765.21

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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.