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Finding the Fourth Proportional to 7,773.74, 11,631.90 and 4,655.95

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Solution

The fourth proportional to 7,773.74, 11,631.90 and 4,655.95 is: 6,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.74 : 11,631.90 = 4,655.95 : x
  2. Step 2: Convert to fraction form
    7,773.74/11,631.90 = 4,655.95/x
  3. Step 3: Cross multiply
    7,773.74x = 11,631.90 × 4,655.95
  4. Step 4: Simplify right side
    7,773.74x = 54,157,544.81
  5. Step 5: Solve for x
    x = 54,157,544.81/7,773.74
  6. Step 6: Final answer
    x = 6,966.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.