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Finding the Fourth Proportional to 17,104.10, 25,655.97 and 5,417.32

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Solution

The fourth proportional to 17,104.10, 25,655.97 and 5,417.32 is: 8,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.10 : 25,655.97 = 5,417.32 : x
  2. Step 2: Convert to fraction form
    17,104.10/25,655.97 = 5,417.32/x
  3. Step 3: Cross multiply
    17,104.10x = 25,655.97 × 5,417.32
  4. Step 4: Simplify right side
    17,104.10x = 138,986,599.40
  5. Step 5: Solve for x
    x = 138,986,599.40/17,104.10
  6. Step 6: Final answer
    x = 8,125.92

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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.