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Finding the Fourth Proportional to 8,533.55, 12,814.22 and 5,267.41

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Solution

The fourth proportional to 8,533.55, 12,814.22 and 5,267.41 is: 7,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.55 : 12,814.22 = 5,267.41 : x
  2. Step 2: Convert to fraction form
    8,533.55/12,814.22 = 5,267.41/x
  3. Step 3: Cross multiply
    8,533.55x = 12,814.22 × 5,267.41
  4. Step 4: Simplify right side
    8,533.55x = 67,497,731.70
  5. Step 5: Solve for x
    x = 67,497,731.70/8,533.55
  6. Step 6: Final answer
    x = 7,909.69

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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.