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Finding the Fourth Proportional to 23,009.88, 34,514.97 and 7,427.51

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Solution

The fourth proportional to 23,009.88, 34,514.97 and 7,427.51 is: 11,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.88 : 34,514.97 = 7,427.51 : x
  2. Step 2: Convert to fraction form
    23,009.88/34,514.97 = 7,427.51/x
  3. Step 3: Cross multiply
    23,009.88x = 34,514.97 × 7,427.51
  4. Step 4: Simplify right side
    23,009.88x = 256,360,284.82
  5. Step 5: Solve for x
    x = 256,360,284.82/23,009.88
  6. Step 6: Final answer
    x = 11,141.31

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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.