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Finding the Fourth Proportional to 17,302.88, 25,933.64 and 9,912.40

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Solution

The fourth proportional to 17,302.88, 25,933.64 and 9,912.40 is: 14,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.88 : 25,933.64 = 9,912.40 : x
  2. Step 2: Convert to fraction form
    17,302.88/25,933.64 = 9,912.40/x
  3. Step 3: Cross multiply
    17,302.88x = 25,933.64 × 9,912.40
  4. Step 4: Simplify right side
    17,302.88x = 257,064,613.14
  5. Step 5: Solve for x
    x = 257,064,613.14/17,302.88
  6. Step 6: Final answer
    x = 14,856.75

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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.