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Finding the Fourth Proportional to 25,407.88, 35,041.22 and 20,093.48

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Solution

The fourth proportional to 25,407.88, 35,041.22 and 20,093.48 is: 27,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.88 : 35,041.22 = 20,093.48 : x
  2. Step 2: Convert to fraction form
    25,407.88/35,041.22 = 20,093.48/x
  3. Step 3: Cross multiply
    25,407.88x = 35,041.22 × 20,093.48
  4. Step 4: Simplify right side
    25,407.88x = 704,100,053.25
  5. Step 5: Solve for x
    x = 704,100,053.25/25,407.88
  6. Step 6: Final answer
    x = 27,711.88

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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.