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Finding the Fourth Proportional to 10,751.17, 16,125.54 and 3,355

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Solution

The fourth proportional to 10,751.17, 16,125.54 and 3,355 is: 5,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.17 : 16,125.54 = 3,355 : x
  2. Step 2: Convert to fraction form
    10,751.17/16,125.54 = 3,355/x
  3. Step 3: Cross multiply
    10,751.17x = 16,125.54 × 3,355
  4. Step 4: Simplify right side
    10,751.17x = 54,101,186.70
  5. Step 5: Solve for x
    x = 54,101,186.70/10,751.17
  6. Step 6: Final answer
    x = 5,032.12

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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.