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Finding the Fourth Proportional to 16,519.64, 24,788.28 and 7,754.63

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Solution

The fourth proportional to 16,519.64, 24,788.28 and 7,754.63 is: 11,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.64 : 24,788.28 = 7,754.63 : x
  2. Step 2: Convert to fraction form
    16,519.64/24,788.28 = 7,754.63/x
  3. Step 3: Cross multiply
    16,519.64x = 24,788.28 × 7,754.63
  4. Step 4: Simplify right side
    16,519.64x = 192,223,939.74
  5. Step 5: Solve for x
    x = 192,223,939.74/16,519.64
  6. Step 6: Final answer
    x = 11,636.09

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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.