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Finding the Fourth Proportional to 5,958.86, 8,958.54 and 4,871.12

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Solution

The fourth proportional to 5,958.86, 8,958.54 and 4,871.12 is: 7,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.86 : 8,958.54 = 4,871.12 : x
  2. Step 2: Convert to fraction form
    5,958.86/8,958.54 = 4,871.12/x
  3. Step 3: Cross multiply
    5,958.86x = 8,958.54 × 4,871.12
  4. Step 4: Simplify right side
    5,958.86x = 43,638,123.36
  5. Step 5: Solve for x
    x = 43,638,123.36/5,958.86
  6. Step 6: Final answer
    x = 7,323.23

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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.