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Finding the Fourth Proportional to 11,905.07, 17,858.03 and 4,510.07

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Solution

The fourth proportional to 11,905.07, 17,858.03 and 4,510.07 is: 6,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.07 : 17,858.03 = 4,510.07 : x
  2. Step 2: Convert to fraction form
    11,905.07/17,858.03 = 4,510.07/x
  3. Step 3: Cross multiply
    11,905.07x = 17,858.03 × 4,510.07
  4. Step 4: Simplify right side
    11,905.07x = 80,540,853.52
  5. Step 5: Solve for x
    x = 80,540,853.52/11,905.07
  6. Step 6: Final answer
    x = 6,765.26

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1.5x scale

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.