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Finding the Fourth Proportional to 38,851.65, 58,266.54 and 10,764.90

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Solution

The fourth proportional to 38,851.65, 58,266.54 and 10,764.90 is: 16,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.65 : 58,266.54 = 10,764.90 : x
  2. Step 2: Convert to fraction form
    38,851.65/58,266.54 = 10,764.90/x
  3. Step 3: Cross multiply
    38,851.65x = 58,266.54 × 10,764.90
  4. Step 4: Simplify right side
    38,851.65x = 627,233,476.45
  5. Step 5: Solve for x
    x = 627,233,476.45/38,851.65
  6. Step 6: Final answer
    x = 16,144.32

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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.