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Finding the Fourth Proportional to 17,668.23, 26,507.61 and 7,132.83

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Solution

The fourth proportional to 17,668.23, 26,507.61 and 7,132.83 is: 10,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.23 : 26,507.61 = 7,132.83 : x
  2. Step 2: Convert to fraction form
    17,668.23/26,507.61 = 7,132.83/x
  3. Step 3: Cross multiply
    17,668.23x = 26,507.61 × 7,132.83
  4. Step 4: Simplify right side
    17,668.23x = 189,074,275.84
  5. Step 5: Solve for x
    x = 189,074,275.84/17,668.23
  6. Step 6: Final answer
    x = 10,701.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.