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Finding the Fourth Proportional to 12,697.93, 17,524.20 and 7,392.43

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Solution

The fourth proportional to 12,697.93, 17,524.20 and 7,392.43 is: 10,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.93 : 17,524.20 = 7,392.43 : x
  2. Step 2: Convert to fraction form
    12,697.93/17,524.20 = 7,392.43/x
  3. Step 3: Cross multiply
    12,697.93x = 17,524.20 × 7,392.43
  4. Step 4: Simplify right side
    12,697.93x = 129,546,421.81
  5. Step 5: Solve for x
    x = 129,546,421.81/12,697.93
  6. Step 6: Final answer
    x = 10,202.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.