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Finding the Fourth Proportional to 17,078.60, 25,620.60 and 6,548.21

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Solution

The fourth proportional to 17,078.60, 25,620.60 and 6,548.21 is: 9,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.60 : 25,620.60 = 6,548.21 : x
  2. Step 2: Convert to fraction form
    17,078.60/25,620.60 = 6,548.21/x
  3. Step 3: Cross multiply
    17,078.60x = 25,620.60 × 6,548.21
  4. Step 4: Simplify right side
    17,078.60x = 167,769,069.13
  5. Step 5: Solve for x
    x = 167,769,069.13/17,078.60
  6. Step 6: Final answer
    x = 9,823.35

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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.