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Finding the Fourth Proportional to 17,259.84, 23,809.68 and 10,965.60

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Solution

The fourth proportional to 17,259.84, 23,809.68 and 10,965.60 is: 15,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.84 : 23,809.68 = 10,965.60 : x
  2. Step 2: Convert to fraction form
    17,259.84/23,809.68 = 10,965.60/x
  3. Step 3: Cross multiply
    17,259.84x = 23,809.68 × 10,965.60
  4. Step 4: Simplify right side
    17,259.84x = 261,087,427.01
  5. Step 5: Solve for x
    x = 261,087,427.01/17,259.84
  6. Step 6: Final answer
    x = 15,126.87

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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.