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Finding the Fourth Proportional to 38,802.87, 58,202.69 and 11,100.87

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Solution

The fourth proportional to 38,802.87, 58,202.69 and 11,100.87 is: 16,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.87 : 58,202.69 = 11,100.87 : x
  2. Step 2: Convert to fraction form
    38,802.87/58,202.69 = 11,100.87/x
  3. Step 3: Cross multiply
    38,802.87x = 58,202.69 × 11,100.87
  4. Step 4: Simplify right side
    38,802.87x = 646,100,439.84
  5. Step 5: Solve for x
    x = 646,100,439.84/38,802.87
  6. Step 6: Final answer
    x = 16,650.84

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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.