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Finding the Fourth Proportional to 17,412.32, 26,114.16 and 8,176.16

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Solution

The fourth proportional to 17,412.32, 26,114.16 and 8,176.16 is: 12,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,412.32 : 26,114.16 = 8,176.16 : x
  2. Step 2: Convert to fraction form
    17,412.32/26,114.16 = 8,176.16/x
  3. Step 3: Cross multiply
    17,412.32x = 26,114.16 × 8,176.16
  4. Step 4: Simplify right side
    17,412.32x = 213,513,550.43
  5. Step 5: Solve for x
    x = 213,513,550.43/17,412.32
  6. Step 6: Final answer
    x = 12,262.21

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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.