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Finding the Fourth Proportional to 25,797.78, 35,604.45 and 14,620.50

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Solution

The fourth proportional to 25,797.78, 35,604.45 and 14,620.50 is: 20,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797.78 : 35,604.45 = 14,620.50 : x
  2. Step 2: Convert to fraction form
    25,797.78/35,604.45 = 14,620.50/x
  3. Step 3: Cross multiply
    25,797.78x = 35,604.45 × 14,620.50
  4. Step 4: Simplify right side
    25,797.78x = 520,554,861.23
  5. Step 5: Solve for x
    x = 520,554,861.23/25,797.78
  6. Step 6: Final answer
    x = 20,178.28

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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.