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Finding the Fourth Proportional to 8,885.85, 13,329 and 3,042.42

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Solution

The fourth proportional to 8,885.85, 13,329 and 3,042.42 is: 4,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.85 : 13,329 = 3,042.42 : x
  2. Step 2: Convert to fraction form
    8,885.85/13,329 = 3,042.42/x
  3. Step 3: Cross multiply
    8,885.85x = 13,329 × 3,042.42
  4. Step 4: Simplify right side
    8,885.85x = 40,552,416.18
  5. Step 5: Solve for x
    x = 40,552,416.18/8,885.85
  6. Step 6: Final answer
    x = 4,563.71

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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.