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Finding the Fourth Proportional to 11,473.92, 15,730.88 and 11,266.56

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Solution

The fourth proportional to 11,473.92, 15,730.88 and 11,266.56 is: 15,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.92 : 15,730.88 = 11,266.56 : x
  2. Step 2: Convert to fraction form
    11,473.92/15,730.88 = 11,266.56/x
  3. Step 3: Cross multiply
    11,473.92x = 15,730.88 × 11,266.56
  4. Step 4: Simplify right side
    11,473.92x = 177,232,903.37
  5. Step 5: Solve for x
    x = 177,232,903.37/11,473.92
  6. Step 6: Final answer
    x = 15,446.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.