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Finding the Fourth Proportional to 3,506.86, 5,259.48 and 1,558

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Solution

The fourth proportional to 3,506.86, 5,259.48 and 1,558 is: 2,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.86 : 5,259.48 = 1,558 : x
  2. Step 2: Convert to fraction form
    3,506.86/5,259.48 = 1,558/x
  3. Step 3: Cross multiply
    3,506.86x = 5,259.48 × 1,558
  4. Step 4: Simplify right side
    3,506.86x = 8,194,269.84
  5. Step 5: Solve for x
    x = 8,194,269.84/3,506.86
  6. Step 6: Final answer
    x = 2,336.64

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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.