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Finding the Fourth Proportional to 4,333.90, 6,499.90 and 1,372.56

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Solution

The fourth proportional to 4,333.90, 6,499.90 and 1,372.56 is: 2,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.90 : 6,499.90 = 1,372.56 : x
  2. Step 2: Convert to fraction form
    4,333.90/6,499.90 = 1,372.56/x
  3. Step 3: Cross multiply
    4,333.90x = 6,499.90 × 1,372.56
  4. Step 4: Simplify right side
    4,333.90x = 8,921,502.74
  5. Step 5: Solve for x
    x = 8,921,502.74/4,333.90
  6. Step 6: Final answer
    x = 2,058.54

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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.