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Finding the Fourth Proportional to 17,901.54, 24,703.94 and 9,725.09

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Solution

The fourth proportional to 17,901.54, 24,703.94 and 9,725.09 is: 13,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.54 : 24,703.94 = 9,725.09 : x
  2. Step 2: Convert to fraction form
    17,901.54/24,703.94 = 9,725.09/x
  3. Step 3: Cross multiply
    17,901.54x = 24,703.94 × 9,725.09
  4. Step 4: Simplify right side
    17,901.54x = 240,247,940.65
  5. Step 5: Solve for x
    x = 240,247,940.65/17,901.54
  6. Step 6: Final answer
    x = 13,420.52

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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.