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Finding the Fourth Proportional to 5,528.70, 8,295.48 and 2,931

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Solution

The fourth proportional to 5,528.70, 8,295.48 and 2,931 is: 4,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.70 : 8,295.48 = 2,931 : x
  2. Step 2: Convert to fraction form
    5,528.70/8,295.48 = 2,931/x
  3. Step 3: Cross multiply
    5,528.70x = 8,295.48 × 2,931
  4. Step 4: Simplify right side
    5,528.70x = 24,314,051.88
  5. Step 5: Solve for x
    x = 24,314,051.88/5,528.70
  6. Step 6: Final answer
    x = 4,397.79

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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.