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Finding the Fourth Proportional to 17,561.16, 26,323.26 and 12,013

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Solution

The fourth proportional to 17,561.16, 26,323.26 and 12,013 is: 18,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.16 : 26,323.26 = 12,013 : x
  2. Step 2: Convert to fraction form
    17,561.16/26,323.26 = 12,013/x
  3. Step 3: Cross multiply
    17,561.16x = 26,323.26 × 12,013
  4. Step 4: Simplify right side
    17,561.16x = 316,221,322.38
  5. Step 5: Solve for x
    x = 316,221,322.38/17,561.16
  6. Step 6: Final answer
    x = 18,006.86

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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.