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Finding the Fourth Proportional to 17,894.88, 26,816.40 and 10,087.08

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Solution

The fourth proportional to 17,894.88, 26,816.40 and 10,087.08 is: 15,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.88 : 26,816.40 = 10,087.08 : x
  2. Step 2: Convert to fraction form
    17,894.88/26,816.40 = 10,087.08/x
  3. Step 3: Cross multiply
    17,894.88x = 26,816.40 × 10,087.08
  4. Step 4: Simplify right side
    17,894.88x = 270,499,172.11
  5. Step 5: Solve for x
    x = 270,499,172.11/17,894.88
  6. Step 6: Final answer
    x = 15,116.01

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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.