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Finding the Fourth Proportional to 12,900.33, 17,799.03 and 7,594.11

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Solution

The fourth proportional to 12,900.33, 17,799.03 and 7,594.11 is: 10,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.33 : 17,799.03 = 7,594.11 : x
  2. Step 2: Convert to fraction form
    12,900.33/17,799.03 = 7,594.11/x
  3. Step 3: Cross multiply
    12,900.33x = 17,799.03 × 7,594.11
  4. Step 4: Simplify right side
    12,900.33x = 135,167,791.71
  5. Step 5: Solve for x
    x = 135,167,791.71/12,900.33
  6. Step 6: Final answer
    x = 10,477.86

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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.