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Finding the Fourth Proportional to 15,996.40, 24,005.40 and 8,976.40

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Solution

The fourth proportional to 15,996.40, 24,005.40 and 8,976.40 is: 13,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.40 : 24,005.40 = 8,976.40 : x
  2. Step 2: Convert to fraction form
    15,996.40/24,005.40 = 8,976.40/x
  3. Step 3: Cross multiply
    15,996.40x = 24,005.40 × 8,976.40
  4. Step 4: Simplify right side
    15,996.40x = 215,482,072.56
  5. Step 5: Solve for x
    x = 215,482,072.56/15,996.40
  6. Step 6: Final answer
    x = 13,470.66

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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.