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Finding the Fourth Proportional to 38,763, 58,145.04 and 11,061

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Solution

The fourth proportional to 38,763, 58,145.04 and 11,061 is: 16,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763 : 58,145.04 = 11,061 : x
  2. Step 2: Convert to fraction form
    38,763/58,145.04 = 11,061/x
  3. Step 3: Cross multiply
    38,763x = 58,145.04 × 11,061
  4. Step 4: Simplify right side
    38,763x = 643,142,287.44
  5. Step 5: Solve for x
    x = 643,142,287.44/38,763
  6. Step 6: Final answer
    x = 16,591.65

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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.