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Finding the Fourth Proportional to 7,768.04, 11,651.94 and 1,924.61

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Solution

The fourth proportional to 7,768.04, 11,651.94 and 1,924.61 is: 2,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.04 : 11,651.94 = 1,924.61 : x
  2. Step 2: Convert to fraction form
    7,768.04/11,651.94 = 1,924.61/x
  3. Step 3: Cross multiply
    7,768.04x = 11,651.94 × 1,924.61
  4. Step 4: Simplify right side
    7,768.04x = 22,425,381.98
  5. Step 5: Solve for x
    x = 22,425,381.98/7,768.04
  6. Step 6: Final answer
    x = 2,886.88

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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.