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Finding the Fourth Proportional to 38,401.75, 57,603.03 and 10,699.75

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Solution

The fourth proportional to 38,401.75, 57,603.03 and 10,699.75 is: 16,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.75 : 57,603.03 = 10,699.75 : x
  2. Step 2: Convert to fraction form
    38,401.75/57,603.03 = 10,699.75/x
  3. Step 3: Cross multiply
    38,401.75x = 57,603.03 × 10,699.75
  4. Step 4: Simplify right side
    38,401.75x = 616,338,020.24
  5. Step 5: Solve for x
    x = 616,338,020.24/38,401.75
  6. Step 6: Final answer
    x = 16,049.74

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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.