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Finding the Fourth Proportional to 7,397.82, 11,102.19 and 3,502.22

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Solution

The fourth proportional to 7,397.82, 11,102.19 and 3,502.22 is: 5,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.82 : 11,102.19 = 3,502.22 : x
  2. Step 2: Convert to fraction form
    7,397.82/11,102.19 = 3,502.22/x
  3. Step 3: Cross multiply
    7,397.82x = 11,102.19 × 3,502.22
  4. Step 4: Simplify right side
    7,397.82x = 38,882,256.35
  5. Step 5: Solve for x
    x = 38,882,256.35/7,397.82
  6. Step 6: Final answer
    x = 5,255.91

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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.