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Finding the Fourth Proportional to 25,794, 35,595.72 and 15,190.16

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Solution

The fourth proportional to 25,794, 35,595.72 and 15,190.16 is: 20,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794 : 35,595.72 = 15,190.16 : x
  2. Step 2: Convert to fraction form
    25,794/35,595.72 = 15,190.16/x
  3. Step 3: Cross multiply
    25,794x = 35,595.72 × 15,190.16
  4. Step 4: Simplify right side
    25,794x = 540,704,504.14
  5. Step 5: Solve for x
    x = 540,704,504.14/25,794
  6. Step 6: Final answer
    x = 20,962.41

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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.