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Finding the Fourth Proportional to 6,361.32, 8,773.70 and 4,865.52

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Solution

The fourth proportional to 6,361.32, 8,773.70 and 4,865.52 is: 6,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.32 : 8,773.70 = 4,865.52 : x
  2. Step 2: Convert to fraction form
    6,361.32/8,773.70 = 4,865.52/x
  3. Step 3: Cross multiply
    6,361.32x = 8,773.70 × 4,865.52
  4. Step 4: Simplify right side
    6,361.32x = 42,688,612.82
  5. Step 5: Solve for x
    x = 42,688,612.82/6,361.32
  6. Step 6: Final answer
    x = 6,710.65

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Why These Related Problems?

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