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Finding the Fourth Proportional to 17,960.24, 26,931.13 and 9,647.25

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Solution

The fourth proportional to 17,960.24, 26,931.13 and 9,647.25 is: 14,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.24 : 26,931.13 = 9,647.25 : x
  2. Step 2: Convert to fraction form
    17,960.24/26,931.13 = 9,647.25/x
  3. Step 3: Cross multiply
    17,960.24x = 26,931.13 × 9,647.25
  4. Step 4: Simplify right side
    17,960.24x = 259,811,343.89
  5. Step 5: Solve for x
    x = 259,811,343.89/17,960.24
  6. Step 6: Final answer
    x = 14,465.92

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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.