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Finding the Fourth Proportional to 18,604.85, 25,674.25 and 10,646.57

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Solution

The fourth proportional to 18,604.85, 25,674.25 and 10,646.57 is: 14,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.85 : 25,674.25 = 10,646.57 : x
  2. Step 2: Convert to fraction form
    18,604.85/25,674.25 = 10,646.57/x
  3. Step 3: Cross multiply
    18,604.85x = 25,674.25 × 10,646.57
  4. Step 4: Simplify right side
    18,604.85x = 273,342,518.22
  5. Step 5: Solve for x
    x = 273,342,518.22/18,604.85
  6. Step 6: Final answer
    x = 14,692.00

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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.