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Finding the Fourth Proportional to 12,594.83, 17,383.07 and 7,217.51

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Solution

The fourth proportional to 12,594.83, 17,383.07 and 7,217.51 is: 9,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.83 : 17,383.07 = 7,217.51 : x
  2. Step 2: Convert to fraction form
    12,594.83/17,383.07 = 7,217.51/x
  3. Step 3: Cross multiply
    12,594.83x = 17,383.07 × 7,217.51
  4. Step 4: Simplify right side
    12,594.83x = 125,462,412.68
  5. Step 5: Solve for x
    x = 125,462,412.68/12,594.83
  6. Step 6: Final answer
    x = 9,961.43

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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.