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Finding the Fourth Proportional to 8,830.85, 13,245.82 and 2,256.64

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Solution

The fourth proportional to 8,830.85, 13,245.82 and 2,256.64 is: 3,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.85 : 13,245.82 = 2,256.64 : x
  2. Step 2: Convert to fraction form
    8,830.85/13,245.82 = 2,256.64/x
  3. Step 3: Cross multiply
    8,830.85x = 13,245.82 × 2,256.64
  4. Step 4: Simplify right side
    8,830.85x = 29,891,008.49
  5. Step 5: Solve for x
    x = 29,891,008.49/8,830.85
  6. Step 6: Final answer
    x = 3,384.84

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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.