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Finding the Fourth Proportional to 7,896.66, 10,897.50 and 4,359.79

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Solution

The fourth proportional to 7,896.66, 10,897.50 and 4,359.79 is: 6,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.66 : 10,897.50 = 4,359.79 : x
  2. Step 2: Convert to fraction form
    7,896.66/10,897.50 = 4,359.79/x
  3. Step 3: Cross multiply
    7,896.66x = 10,897.50 × 4,359.79
  4. Step 4: Simplify right side
    7,896.66x = 47,510,811.53
  5. Step 5: Solve for x
    x = 47,510,811.53/7,896.66
  6. Step 6: Final answer
    x = 6,016.57

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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.