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Finding the Fourth Proportional to 7,463.95, 10,300.87 and 4,107.40

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Solution

The fourth proportional to 7,463.95, 10,300.87 and 4,107.40 is: 5,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,463.95 : 10,300.87 = 4,107.40 : x
  2. Step 2: Convert to fraction form
    7,463.95/10,300.87 = 4,107.40/x
  3. Step 3: Cross multiply
    7,463.95x = 10,300.87 × 4,107.40
  4. Step 4: Simplify right side
    7,463.95x = 42,309,772.82
  5. Step 5: Solve for x
    x = 42,309,772.82/7,463.95
  6. Step 6: Final answer
    x = 5,668.55

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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.