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Finding the Fourth Proportional to 14,451.48, 21,656.84 and 6,844.69

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Solution

The fourth proportional to 14,451.48, 21,656.84 and 6,844.69 is: 10,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.48 : 21,656.84 = 6,844.69 : x
  2. Step 2: Convert to fraction form
    14,451.48/21,656.84 = 6,844.69/x
  3. Step 3: Cross multiply
    14,451.48x = 21,656.84 × 6,844.69
  4. Step 4: Simplify right side
    14,451.48x = 148,234,387.53
  5. Step 5: Solve for x
    x = 148,234,387.53/14,451.48
  6. Step 6: Final answer
    x = 10,257.38

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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.