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Finding the Fourth Proportional to 11,237.70, 16,856.55 and 10,994.70

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Solution

The fourth proportional to 11,237.70, 16,856.55 and 10,994.70 is: 16,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.70 : 16,856.55 = 10,994.70 : x
  2. Step 2: Convert to fraction form
    11,237.70/16,856.55 = 10,994.70/x
  3. Step 3: Cross multiply
    11,237.70x = 16,856.55 × 10,994.70
  4. Step 4: Simplify right side
    11,237.70x = 185,332,710.29
  5. Step 5: Solve for x
    x = 185,332,710.29/11,237.70
  6. Step 6: Final answer
    x = 16,492.05

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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.