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Finding the Fourth Proportional to 4,953.90, 6,830.73 and 3,958.50

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Solution

The fourth proportional to 4,953.90, 6,830.73 and 3,958.50 is: 5,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.90 : 6,830.73 = 3,958.50 : x
  2. Step 2: Convert to fraction form
    4,953.90/6,830.73 = 3,958.50/x
  3. Step 3: Cross multiply
    4,953.90x = 6,830.73 × 3,958.50
  4. Step 4: Simplify right side
    4,953.90x = 27,039,444.71
  5. Step 5: Solve for x
    x = 27,039,444.71/4,953.90
  6. Step 6: Final answer
    x = 5,458.21

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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.