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Finding the Fourth Proportional to 11,266.67, 16,898.72 and 2,947.49

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Solution

The fourth proportional to 11,266.67, 16,898.72 and 2,947.49 is: 4,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.67 : 16,898.72 = 2,947.49 : x
  2. Step 2: Convert to fraction form
    11,266.67/16,898.72 = 2,947.49/x
  3. Step 3: Cross multiply
    11,266.67x = 16,898.72 × 2,947.49
  4. Step 4: Simplify right side
    11,266.67x = 49,808,828.17
  5. Step 5: Solve for x
    x = 49,808,828.17/11,266.67
  6. Step 6: Final answer
    x = 4,420.90

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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.