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Finding the Fourth Proportional to 25,406.88, 35,039.84 and 20,092.48

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Solution

The fourth proportional to 25,406.88, 35,039.84 and 20,092.48 is: 27,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.88 : 35,039.84 = 20,092.48 : x
  2. Step 2: Convert to fraction form
    25,406.88/35,039.84 = 20,092.48/x
  3. Step 3: Cross multiply
    25,406.88x = 35,039.84 × 20,092.48
  4. Step 4: Simplify right side
    25,406.88x = 704,037,284.40
  5. Step 5: Solve for x
    x = 704,037,284.40/25,406.88
  6. Step 6: Final answer
    x = 27,710.50

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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.