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Finding the Fourth Proportional to 15,994.34, 23,998.44 and 8,590.16

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Solution

The fourth proportional to 15,994.34, 23,998.44 and 8,590.16 is: 12,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.34 : 23,998.44 = 8,590.16 : x
  2. Step 2: Convert to fraction form
    15,994.34/23,998.44 = 8,590.16/x
  3. Step 3: Cross multiply
    15,994.34x = 23,998.44 × 8,590.16
  4. Step 4: Simplify right side
    15,994.34x = 206,150,439.35
  5. Step 5: Solve for x
    x = 206,150,439.35/15,994.34
  6. Step 6: Final answer
    x = 12,888.96

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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.