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Finding the Fourth Proportional to 25,748.85, 36,126.15 and 25,748.85

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Solution

The fourth proportional to 25,748.85, 36,126.15 and 25,748.85 is: 36,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.85 : 36,126.15 = 25,748.85 : x
  2. Step 2: Convert to fraction form
    25,748.85/36,126.15 = 25,748.85/x
  3. Step 3: Cross multiply
    25,748.85x = 36,126.15 × 25,748.85
  4. Step 4: Simplify right side
    25,748.85x = 930,206,817.43
  5. Step 5: Solve for x
    x = 930,206,817.43/25,748.85
  6. Step 6: Final answer
    x = 36,126.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.