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Finding the Fourth Proportional to 7,656.88, 10,566.36 and 4,299.72

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Solution

The fourth proportional to 7,656.88, 10,566.36 and 4,299.72 is: 5,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.88 : 10,566.36 = 4,299.72 : x
  2. Step 2: Convert to fraction form
    7,656.88/10,566.36 = 4,299.72/x
  3. Step 3: Cross multiply
    7,656.88x = 10,566.36 × 4,299.72
  4. Step 4: Simplify right side
    7,656.88x = 45,432,389.42
  5. Step 5: Solve for x
    x = 45,432,389.42/7,656.88
  6. Step 6: Final answer
    x = 5,933.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.