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Finding the Fourth Proportional to 8,524.68, 12,784.86 and 3,594.28

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Solution

The fourth proportional to 8,524.68, 12,784.86 and 3,594.28 is: 5,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.68 : 12,784.86 = 3,594.28 : x
  2. Step 2: Convert to fraction form
    8,524.68/12,784.86 = 3,594.28/x
  3. Step 3: Cross multiply
    8,524.68x = 12,784.86 × 3,594.28
  4. Step 4: Simplify right side
    8,524.68x = 45,952,366.60
  5. Step 5: Solve for x
    x = 45,952,366.60/8,524.68
  6. Step 6: Final answer
    x = 5,390.51

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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.