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Finding the Fourth Proportional to 9,212.58, 13,821.03 and 3,666.24

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Solution

The fourth proportional to 9,212.58, 13,821.03 and 3,666.24 is: 5,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.58 : 13,821.03 = 3,666.24 : x
  2. Step 2: Convert to fraction form
    9,212.58/13,821.03 = 3,666.24/x
  3. Step 3: Cross multiply
    9,212.58x = 13,821.03 × 3,666.24
  4. Step 4: Simplify right side
    9,212.58x = 50,671,213.03
  5. Step 5: Solve for x
    x = 50,671,213.03/9,212.58
  6. Step 6: Final answer
    x = 5,500.22

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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.