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Finding the Fourth Proportional to 5,361.67, 8,041.69 and 1,851.13

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Solution

The fourth proportional to 5,361.67, 8,041.69 and 1,851.13 is: 2,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.67 : 8,041.69 = 1,851.13 : x
  2. Step 2: Convert to fraction form
    5,361.67/8,041.69 = 1,851.13/x
  3. Step 3: Cross multiply
    5,361.67x = 8,041.69 × 1,851.13
  4. Step 4: Simplify right side
    5,361.67x = 14,886,213.61
  5. Step 5: Solve for x
    x = 14,886,213.61/5,361.67
  6. Step 6: Final answer
    x = 2,776.41

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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.