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Finding the Fourth Proportional to 17,078.32, 25,617 and 7,214.92

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Solution

The fourth proportional to 17,078.32, 25,617 and 7,214.92 is: 10,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.32 : 25,617 = 7,214.92 : x
  2. Step 2: Convert to fraction form
    17,078.32/25,617 = 7,214.92/x
  3. Step 3: Cross multiply
    17,078.32x = 25,617 × 7,214.92
  4. Step 4: Simplify right side
    17,078.32x = 184,824,605.64
  5. Step 5: Solve for x
    x = 184,824,605.64/17,078.32
  6. Step 6: Final answer
    x = 10,822.18

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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.