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Finding the Fourth Proportional to 17,366.40, 23,932.80 and 17,107.20

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Solution

The fourth proportional to 17,366.40, 23,932.80 and 17,107.20 is: 23,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,366.40 : 23,932.80 = 17,107.20 : x
  2. Step 2: Convert to fraction form
    17,366.40/23,932.80 = 17,107.20/x
  3. Step 3: Cross multiply
    17,366.40x = 23,932.80 × 17,107.20
  4. Step 4: Simplify right side
    17,366.40x = 409,423,196.16
  5. Step 5: Solve for x
    x = 409,423,196.16/17,366.40
  6. Step 6: Final answer
    x = 23,575.59

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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.