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Finding the Fourth Proportional to 2,958.03, 4,436.27 and 877.47

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Solution

The fourth proportional to 2,958.03, 4,436.27 and 877.47 is: 1,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.03 : 4,436.27 = 877.47 : x
  2. Step 2: Convert to fraction form
    2,958.03/4,436.27 = 877.47/x
  3. Step 3: Cross multiply
    2,958.03x = 4,436.27 × 877.47
  4. Step 4: Simplify right side
    2,958.03x = 3,892,713.54
  5. Step 5: Solve for x
    x = 3,892,713.54/2,958.03
  6. Step 6: Final answer
    x = 1,315.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.