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Finding the Fourth Proportional to 15,998.42, 23,994.90 and 4,308.91

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Solution

The fourth proportional to 15,998.42, 23,994.90 and 4,308.91 is: 6,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.42 : 23,994.90 = 4,308.91 : x
  2. Step 2: Convert to fraction form
    15,998.42/23,994.90 = 4,308.91/x
  3. Step 3: Cross multiply
    15,998.42x = 23,994.90 × 4,308.91
  4. Step 4: Simplify right side
    15,998.42x = 103,391,864.56
  5. Step 5: Solve for x
    x = 103,391,864.56/15,998.42
  6. Step 6: Final answer
    x = 6,462.63

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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.