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Finding the Fourth Proportional to 7,896.41, 10,898.91 and 4,541.18

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Solution

The fourth proportional to 7,896.41, 10,898.91 and 4,541.18 is: 6,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.41 : 10,898.91 = 4,541.18 : x
  2. Step 2: Convert to fraction form
    7,896.41/10,898.91 = 4,541.18/x
  3. Step 3: Cross multiply
    7,896.41x = 10,898.91 × 4,541.18
  4. Step 4: Simplify right side
    7,896.41x = 49,493,857.62
  5. Step 5: Solve for x
    x = 49,493,857.62/7,896.41
  6. Step 6: Final answer
    x = 6,267.90

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1.5x scale

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.