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Finding the Fourth Proportional to 16,674.62, 25,018.92 and 7,309.80

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Solution

The fourth proportional to 16,674.62, 25,018.92 and 7,309.80 is: 10,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.62 : 25,018.92 = 7,309.80 : x
  2. Step 2: Convert to fraction form
    16,674.62/25,018.92 = 7,309.80/x
  3. Step 3: Cross multiply
    16,674.62x = 25,018.92 × 7,309.80
  4. Step 4: Simplify right side
    16,674.62x = 182,883,301.42
  5. Step 5: Solve for x
    x = 182,883,301.42/16,674.62
  6. Step 6: Final answer
    x = 10,967.77

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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.