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Finding the Fourth Proportional to 17,159.10, 25,744.58 and 7,169.18

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Solution

The fourth proportional to 17,159.10, 25,744.58 and 7,169.18 is: 10,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.10 : 25,744.58 = 7,169.18 : x
  2. Step 2: Convert to fraction form
    17,159.10/25,744.58 = 7,169.18/x
  3. Step 3: Cross multiply
    17,159.10x = 25,744.58 × 7,169.18
  4. Step 4: Simplify right side
    17,159.10x = 184,567,363.48
  5. Step 5: Solve for x
    x = 184,567,363.48/17,159.10
  6. Step 6: Final answer
    x = 10,756.24

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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.