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Finding the Fourth Proportional to 11,668.59, 17,510.18 and 4,743.09

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Solution

The fourth proportional to 11,668.59, 17,510.18 and 4,743.09 is: 7,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.59 : 17,510.18 = 4,743.09 : x
  2. Step 2: Convert to fraction form
    11,668.59/17,510.18 = 4,743.09/x
  3. Step 3: Cross multiply
    11,668.59x = 17,510.18 × 4,743.09
  4. Step 4: Simplify right side
    11,668.59x = 83,052,335.94
  5. Step 5: Solve for x
    x = 83,052,335.94/11,668.59
  6. Step 6: Final answer
    x = 7,117.60

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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.