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Finding the Fourth Proportional to 4,362.35, 6,509.81 and 3,895.11

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Solution

The fourth proportional to 4,362.35, 6,509.81 and 3,895.11 is: 5,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.35 : 6,509.81 = 3,895.11 : x
  2. Step 2: Convert to fraction form
    4,362.35/6,509.81 = 3,895.11/x
  3. Step 3: Cross multiply
    4,362.35x = 6,509.81 × 3,895.11
  4. Step 4: Simplify right side
    4,362.35x = 25,356,435.77
  5. Step 5: Solve for x
    x = 25,356,435.77/4,362.35
  6. Step 6: Final answer
    x = 5,812.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.