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Finding the Fourth Proportional to 7,607.52, 11,412.20 and 2,926.44

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Solution

The fourth proportional to 7,607.52, 11,412.20 and 2,926.44 is: 4,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.52 : 11,412.20 = 2,926.44 : x
  2. Step 2: Convert to fraction form
    7,607.52/11,412.20 = 2,926.44/x
  3. Step 3: Cross multiply
    7,607.52x = 11,412.20 × 2,926.44
  4. Step 4: Simplify right side
    7,607.52x = 33,397,118.57
  5. Step 5: Solve for x
    x = 33,397,118.57/7,607.52
  6. Step 6: Final answer
    x = 4,390.01

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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.