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Finding the Fourth Proportional to 19,514.94, 26,868.15 and 17,030.94

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Solution

The fourth proportional to 19,514.94, 26,868.15 and 17,030.94 is: 23,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.94 : 26,868.15 = 17,030.94 : x
  2. Step 2: Convert to fraction form
    19,514.94/26,868.15 = 17,030.94/x
  3. Step 3: Cross multiply
    19,514.94x = 26,868.15 × 17,030.94
  4. Step 4: Simplify right side
    19,514.94x = 457,589,850.56
  5. Step 5: Solve for x
    x = 457,589,850.56/19,514.94
  6. Step 6: Final answer
    x = 23,448.18

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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.