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Finding the Fourth Proportional to 17,309.61, 23,884.74 and 9,754.56

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Solution

The fourth proportional to 17,309.61, 23,884.74 and 9,754.56 is: 13,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.61 : 23,884.74 = 9,754.56 : x
  2. Step 2: Convert to fraction form
    17,309.61/23,884.74 = 9,754.56/x
  3. Step 3: Cross multiply
    17,309.61x = 23,884.74 × 9,754.56
  4. Step 4: Simplify right side
    17,309.61x = 232,985,129.41
  5. Step 5: Solve for x
    x = 232,985,129.41/17,309.61
  6. Step 6: Final answer
    x = 13,459.87

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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.