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Finding the Fourth Proportional to 17,304.48, 25,941.12 and 7,438.56

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Solution

The fourth proportional to 17,304.48, 25,941.12 and 7,438.56 is: 11,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304.48 : 25,941.12 = 7,438.56 : x
  2. Step 2: Convert to fraction form
    17,304.48/25,941.12 = 7,438.56/x
  3. Step 3: Cross multiply
    17,304.48x = 25,941.12 × 7,438.56
  4. Step 4: Simplify right side
    17,304.48x = 192,964,577.59
  5. Step 5: Solve for x
    x = 192,964,577.59/17,304.48
  6. Step 6: Final answer
    x = 11,151.13

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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.