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Finding the Fourth Proportional to 10,998.74, 16,498.06 and 2,678.73

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Solution

The fourth proportional to 10,998.74, 16,498.06 and 2,678.73 is: 4,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.74 : 16,498.06 = 2,678.73 : x
  2. Step 2: Convert to fraction form
    10,998.74/16,498.06 = 2,678.73/x
  3. Step 3: Cross multiply
    10,998.74x = 16,498.06 × 2,678.73
  4. Step 4: Simplify right side
    10,998.74x = 44,193,848.26
  5. Step 5: Solve for x
    x = 44,193,848.26/10,998.74
  6. Step 6: Final answer
    x = 4,018.08

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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.