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Finding the Fourth Proportional to 23,858.74, 35,789.36 and 7,218.35

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Solution

The fourth proportional to 23,858.74, 35,789.36 and 7,218.35 is: 10,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,858.74 : 35,789.36 = 7,218.35 : x
  2. Step 2: Convert to fraction form
    23,858.74/35,789.36 = 7,218.35/x
  3. Step 3: Cross multiply
    23,858.74x = 35,789.36 × 7,218.35
  4. Step 4: Simplify right side
    23,858.74x = 258,340,126.76
  5. Step 5: Solve for x
    x = 258,340,126.76/23,858.74
  6. Step 6: Final answer
    x = 10,827.90

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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.