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Finding the Fourth Proportional to 12,703.96, 17,532.08 and 7,668.09

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Solution

The fourth proportional to 12,703.96, 17,532.08 and 7,668.09 is: 10,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.96 : 17,532.08 = 7,668.09 : x
  2. Step 2: Convert to fraction form
    12,703.96/17,532.08 = 7,668.09/x
  3. Step 3: Cross multiply
    12,703.96x = 17,532.08 × 7,668.09
  4. Step 4: Simplify right side
    12,703.96x = 134,437,567.33
  5. Step 5: Solve for x
    x = 134,437,567.33/12,703.96
  6. Step 6: Final answer
    x = 10,582.34

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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.