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Finding the Fourth Proportional to 17,047.40, 25,542.30 and 8,263.40

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Solution

The fourth proportional to 17,047.40, 25,542.30 and 8,263.40 is: 12,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,047.40 : 25,542.30 = 8,263.40 : x
  2. Step 2: Convert to fraction form
    17,047.40/25,542.30 = 8,263.40/x
  3. Step 3: Cross multiply
    17,047.40x = 25,542.30 × 8,263.40
  4. Step 4: Simplify right side
    17,047.40x = 211,066,241.82
  5. Step 5: Solve for x
    x = 211,066,241.82/17,047.40
  6. Step 6: Final answer
    x = 12,381.14

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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.