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Finding the Fourth Proportional to 17,892.88, 26,813.40 and 10,085.08

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Solution

The fourth proportional to 17,892.88, 26,813.40 and 10,085.08 is: 15,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.88 : 26,813.40 = 10,085.08 : x
  2. Step 2: Convert to fraction form
    17,892.88/26,813.40 = 10,085.08/x
  3. Step 3: Cross multiply
    17,892.88x = 26,813.40 × 10,085.08
  4. Step 4: Simplify right side
    17,892.88x = 270,415,284.07
  5. Step 5: Solve for x
    x = 270,415,284.07/17,892.88
  6. Step 6: Final answer
    x = 15,113.01

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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.