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Finding the Fourth Proportional to 7,756.68, 10,704.50 and 4,445.32

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Solution

The fourth proportional to 7,756.68, 10,704.50 and 4,445.32 is: 6,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.68 : 10,704.50 = 4,445.32 : x
  2. Step 2: Convert to fraction form
    7,756.68/10,704.50 = 4,445.32/x
  3. Step 3: Cross multiply
    7,756.68x = 10,704.50 × 4,445.32
  4. Step 4: Simplify right side
    7,756.68x = 47,584,927.94
  5. Step 5: Solve for x
    x = 47,584,927.94/7,756.68
  6. Step 6: Final answer
    x = 6,134.70

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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.