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Finding the Fourth Proportional to 38,358.82, 57,536.88 and 11,703.74

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Solution

The fourth proportional to 38,358.82, 57,536.88 and 11,703.74 is: 17,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.82 : 57,536.88 = 11,703.74 : x
  2. Step 2: Convert to fraction form
    38,358.82/57,536.88 = 11,703.74/x
  3. Step 3: Cross multiply
    38,358.82x = 57,536.88 × 11,703.74
  4. Step 4: Simplify right side
    38,358.82x = 673,396,409.65
  5. Step 5: Solve for x
    x = 673,396,409.65/38,358.82
  6. Step 6: Final answer
    x = 17,555.19

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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.