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Finding the Fourth Proportional to 25,796.84, 38,692.86 and 7,076.20

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Solution

The fourth proportional to 25,796.84, 38,692.86 and 7,076.20 is: 10,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,796.84 : 38,692.86 = 7,076.20 : x
  2. Step 2: Convert to fraction form
    25,796.84/38,692.86 = 7,076.20/x
  3. Step 3: Cross multiply
    25,796.84x = 38,692.86 × 7,076.20
  4. Step 4: Simplify right side
    25,796.84x = 273,798,415.93
  5. Step 5: Solve for x
    x = 273,798,415.93/25,796.84
  6. Step 6: Final answer
    x = 10,613.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.