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Finding the Fourth Proportional to 17,119.99, 25,642.53 and 10,526.17

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Solution

The fourth proportional to 17,119.99, 25,642.53 and 10,526.17 is: 15,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.99 : 25,642.53 = 10,526.17 : x
  2. Step 2: Convert to fraction form
    17,119.99/25,642.53 = 10,526.17/x
  3. Step 3: Cross multiply
    17,119.99x = 25,642.53 × 10,526.17
  4. Step 4: Simplify right side
    17,119.99x = 269,917,630.01
  5. Step 5: Solve for x
    x = 269,917,630.01/17,119.99
  6. Step 6: Final answer
    x = 15,766.23

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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.