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Finding the Fourth Proportional to 7,021.11, 10,524.11 and 3,730.89

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Solution

The fourth proportional to 7,021.11, 10,524.11 and 3,730.89 is: 5,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.11 : 10,524.11 = 3,730.89 : x
  2. Step 2: Convert to fraction form
    7,021.11/10,524.11 = 3,730.89/x
  3. Step 3: Cross multiply
    7,021.11x = 10,524.11 × 3,730.89
  4. Step 4: Simplify right side
    7,021.11x = 39,264,278.10
  5. Step 5: Solve for x
    x = 39,264,278.10/7,021.11
  6. Step 6: Final answer
    x = 5,592.32

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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.