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Finding the Fourth Proportional to 17,697.44, 24,421.95 and 9,739.66

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Solution

The fourth proportional to 17,697.44, 24,421.95 and 9,739.66 is: 13,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.44 : 24,421.95 = 9,739.66 : x
  2. Step 2: Convert to fraction form
    17,697.44/24,421.95 = 9,739.66/x
  3. Step 3: Cross multiply
    17,697.44x = 24,421.95 × 9,739.66
  4. Step 4: Simplify right side
    17,697.44x = 237,861,489.54
  5. Step 5: Solve for x
    x = 237,861,489.54/17,697.44
  6. Step 6: Final answer
    x = 13,440.45

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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.