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Finding the Fourth Proportional to 7,010.64, 10,528.92 and 5,559.12

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Solution

The fourth proportional to 7,010.64, 10,528.92 and 5,559.12 is: 8,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.64 : 10,528.92 = 5,559.12 : x
  2. Step 2: Convert to fraction form
    7,010.64/10,528.92 = 5,559.12/x
  3. Step 3: Cross multiply
    7,010.64x = 10,528.92 × 5,559.12
  4. Step 4: Simplify right side
    7,010.64x = 58,531,529.75
  5. Step 5: Solve for x
    x = 58,531,529.75/7,010.64
  6. Step 6: Final answer
    x = 8,348.96

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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.