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Finding the Fourth Proportional to 9,265.34, 12,786.38 and 5,488.44

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Solution

The fourth proportional to 9,265.34, 12,786.38 and 5,488.44 is: 7,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.34 : 12,786.38 = 5,488.44 : x
  2. Step 2: Convert to fraction form
    9,265.34/12,786.38 = 5,488.44/x
  3. Step 3: Cross multiply
    9,265.34x = 12,786.38 × 5,488.44
  4. Step 4: Simplify right side
    9,265.34x = 70,177,252.01
  5. Step 5: Solve for x
    x = 70,177,252.01/9,265.34
  6. Step 6: Final answer
    x = 7,574.17

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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.