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Finding the Fourth Proportional to 17,138.48, 25,713.54 and 9,241.74

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Solution

The fourth proportional to 17,138.48, 25,713.54 and 9,241.74 is: 13,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.48 : 25,713.54 = 9,241.74 : x
  2. Step 2: Convert to fraction form
    17,138.48/25,713.54 = 9,241.74/x
  3. Step 3: Cross multiply
    17,138.48x = 25,713.54 × 9,241.74
  4. Step 4: Simplify right side
    17,138.48x = 237,637,851.16
  5. Step 5: Solve for x
    x = 237,637,851.16/17,138.48
  6. Step 6: Final answer
    x = 13,865.75

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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.