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Finding the Fourth Proportional to 10,958.70, 16,446.15 and 7,259.70

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Solution

The fourth proportional to 10,958.70, 16,446.15 and 7,259.70 is: 10,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.70 : 16,446.15 = 7,259.70 : x
  2. Step 2: Convert to fraction form
    10,958.70/16,446.15 = 7,259.70/x
  3. Step 3: Cross multiply
    10,958.70x = 16,446.15 × 7,259.70
  4. Step 4: Simplify right side
    10,958.70x = 119,394,115.16
  5. Step 5: Solve for x
    x = 119,394,115.16/10,958.70
  6. Step 6: Final answer
    x = 10,894.92

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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.