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Finding the Fourth Proportional to 8,454.55, 12,674.95 and 3,527.86

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Solution

The fourth proportional to 8,454.55, 12,674.95 and 3,527.86 is: 5,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.55 : 12,674.95 = 3,527.86 : x
  2. Step 2: Convert to fraction form
    8,454.55/12,674.95 = 3,527.86/x
  3. Step 3: Cross multiply
    8,454.55x = 12,674.95 × 3,527.86
  4. Step 4: Simplify right side
    8,454.55x = 44,715,449.11
  5. Step 5: Solve for x
    x = 44,715,449.11/8,454.55
  6. Step 6: Final answer
    x = 5,288.92

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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.