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Finding the Fourth Proportional to 25,914.74, 35,751.07 and 15,843.60

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Solution

The fourth proportional to 25,914.74, 35,751.07 and 15,843.60 is: 21,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,914.74 : 35,751.07 = 15,843.60 : x
  2. Step 2: Convert to fraction form
    25,914.74/35,751.07 = 15,843.60/x
  3. Step 3: Cross multiply
    25,914.74x = 35,751.07 × 15,843.60
  4. Step 4: Simplify right side
    25,914.74x = 566,425,672.46
  5. Step 5: Solve for x
    x = 566,425,672.46/25,914.74
  6. Step 6: Final answer
    x = 21,857.28

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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.