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Finding the Fourth Proportional to 12,898.88, 17,800.46 and 7,596.96

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Solution

The fourth proportional to 12,898.88, 17,800.46 and 7,596.96 is: 10,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.88 : 17,800.46 = 7,596.96 : x
  2. Step 2: Convert to fraction form
    12,898.88/17,800.46 = 7,596.96/x
  3. Step 3: Cross multiply
    12,898.88x = 17,800.46 × 7,596.96
  4. Step 4: Simplify right side
    12,898.88x = 135,229,344.62
  5. Step 5: Solve for x
    x = 135,229,344.62/12,898.88
  6. Step 6: Final answer
    x = 10,483.81

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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.