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Finding the Fourth Proportional to 7,362.15, 10,160.01 and 4,218.94

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Solution

The fourth proportional to 7,362.15, 10,160.01 and 4,218.94 is: 5,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.15 : 10,160.01 = 4,218.94 : x
  2. Step 2: Convert to fraction form
    7,362.15/10,160.01 = 4,218.94/x
  3. Step 3: Cross multiply
    7,362.15x = 10,160.01 × 4,218.94
  4. Step 4: Simplify right side
    7,362.15x = 42,864,472.59
  5. Step 5: Solve for x
    x = 42,864,472.59/7,362.15
  6. Step 6: Final answer
    x = 5,822.28

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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.