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Finding the Fourth Proportional to 9,267.99, 12,790.35 and 5,493.39

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Solution

The fourth proportional to 9,267.99, 12,790.35 and 5,493.39 is: 7,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.99 : 12,790.35 = 5,493.39 : x
  2. Step 2: Convert to fraction form
    9,267.99/12,790.35 = 5,493.39/x
  3. Step 3: Cross multiply
    9,267.99x = 12,790.35 × 5,493.39
  4. Step 4: Simplify right side
    9,267.99x = 70,262,380.79
  5. Step 5: Solve for x
    x = 70,262,380.79/9,267.99
  6. Step 6: Final answer
    x = 7,581.19

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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.