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Finding the Fourth Proportional to 38,754, 58,131.56 and 11,052

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Solution

The fourth proportional to 38,754, 58,131.56 and 11,052 is: 16,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754 : 58,131.56 = 11,052 : x
  2. Step 2: Convert to fraction form
    38,754/58,131.56 = 11,052/x
  3. Step 3: Cross multiply
    38,754x = 58,131.56 × 11,052
  4. Step 4: Simplify right side
    38,754x = 642,470,001.12
  5. Step 5: Solve for x
    x = 642,470,001.12/38,754
  6. Step 6: Final answer
    x = 16,578.16

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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.