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Finding the Fourth Proportional to 25,914.48, 35,607.04 and 20,600.08

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Solution

The fourth proportional to 25,914.48, 35,607.04 and 20,600.08 is: 28,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,914.48 : 35,607.04 = 20,600.08 : x
  2. Step 2: Convert to fraction form
    25,914.48/35,607.04 = 20,600.08/x
  3. Step 3: Cross multiply
    25,914.48x = 35,607.04 × 20,600.08
  4. Step 4: Simplify right side
    25,914.48x = 733,507,872.56
  5. Step 5: Solve for x
    x = 733,507,872.56/25,914.48
  6. Step 6: Final answer
    x = 28,304.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.