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Finding the Fourth Proportional to 19,676.94, 27,154.01 and 10,724.44

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Solution

The fourth proportional to 19,676.94, 27,154.01 and 10,724.44 is: 14,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.94 : 27,154.01 = 10,724.44 : x
  2. Step 2: Convert to fraction form
    19,676.94/27,154.01 = 10,724.44/x
  3. Step 3: Cross multiply
    19,676.94x = 27,154.01 × 10,724.44
  4. Step 4: Simplify right side
    19,676.94x = 291,211,607.05
  5. Step 5: Solve for x
    x = 291,211,607.05/19,676.94
  6. Step 6: Final answer
    x = 14,799.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.