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Finding the Fourth Proportional to 30,083.77, 45,125.11 and 10,361.89

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Solution

The fourth proportional to 30,083.77, 45,125.11 and 10,361.89 is: 15,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.77 : 45,125.11 = 10,361.89 : x
  2. Step 2: Convert to fraction form
    30,083.77/45,125.11 = 10,361.89/x
  3. Step 3: Cross multiply
    30,083.77x = 45,125.11 × 10,361.89
  4. Step 4: Simplify right side
    30,083.77x = 467,581,426.06
  5. Step 5: Solve for x
    x = 467,581,426.06/30,083.77
  6. Step 6: Final answer
    x = 15,542.65

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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.