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Finding the Fourth Proportional to 17,309.16, 25,945.02 and 6,909.48

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Solution

The fourth proportional to 17,309.16, 25,945.02 and 6,909.48 is: 10,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.16 : 25,945.02 = 6,909.48 : x
  2. Step 2: Convert to fraction form
    17,309.16/25,945.02 = 6,909.48/x
  3. Step 3: Cross multiply
    17,309.16x = 25,945.02 × 6,909.48
  4. Step 4: Simplify right side
    17,309.16x = 179,266,596.79
  5. Step 5: Solve for x
    x = 179,266,596.79/17,309.16
  6. Step 6: Final answer
    x = 10,356.75

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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.