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Finding the Fourth Proportional to 3,335.88, 4,999.82 and 1,484.90

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Solution

The fourth proportional to 3,335.88, 4,999.82 and 1,484.90 is: 2,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.88 : 4,999.82 = 1,484.90 : x
  2. Step 2: Convert to fraction form
    3,335.88/4,999.82 = 1,484.90/x
  3. Step 3: Cross multiply
    3,335.88x = 4,999.82 × 1,484.90
  4. Step 4: Simplify right side
    3,335.88x = 7,424,232.72
  5. Step 5: Solve for x
    x = 7,424,232.72/3,335.88
  6. Step 6: Final answer
    x = 2,225.57

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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.