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Finding the Fourth Proportional to 38,808.57, 58,223.57 and 15,451.41

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Solution

The fourth proportional to 38,808.57, 58,223.57 and 15,451.41 is: 23,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808.57 : 58,223.57 = 15,451.41 : x
  2. Step 2: Convert to fraction form
    38,808.57/58,223.57 = 15,451.41/x
  3. Step 3: Cross multiply
    38,808.57x = 58,223.57 × 15,451.41
  4. Step 4: Simplify right side
    38,808.57x = 899,636,174.48
  5. Step 5: Solve for x
    x = 899,636,174.48/38,808.57
  6. Step 6: Final answer
    x = 23,181.38

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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.