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Finding the Fourth Proportional to 5,000.10, 6,894.90 and 3,320.94

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Solution

The fourth proportional to 5,000.10, 6,894.90 and 3,320.94 is: 4,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.10 : 6,894.90 = 3,320.94 : x
  2. Step 2: Convert to fraction form
    5,000.10/6,894.90 = 3,320.94/x
  3. Step 3: Cross multiply
    5,000.10x = 6,894.90 × 3,320.94
  4. Step 4: Simplify right side
    5,000.10x = 22,897,549.21
  5. Step 5: Solve for x
    x = 22,897,549.21/5,000.10
  6. Step 6: Final answer
    x = 4,579.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.