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Finding the Fourth Proportional to 17,301.58, 23,720.47 and 16,986.30

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Solution

The fourth proportional to 17,301.58, 23,720.47 and 16,986.30 is: 23,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,301.58 : 23,720.47 = 16,986.30 : x
  2. Step 2: Convert to fraction form
    17,301.58/23,720.47 = 16,986.30/x
  3. Step 3: Cross multiply
    17,301.58x = 23,720.47 × 16,986.30
  4. Step 4: Simplify right side
    17,301.58x = 402,922,934.63
  5. Step 5: Solve for x
    x = 402,922,934.63/17,301.58
  6. Step 6: Final answer
    x = 23,288.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.