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Finding the Fourth Proportional to 7,168.41, 9,890.01 and 4,336.65

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Solution

The fourth proportional to 7,168.41, 9,890.01 and 4,336.65 is: 5,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.41 : 9,890.01 = 4,336.65 : x
  2. Step 2: Convert to fraction form
    7,168.41/9,890.01 = 4,336.65/x
  3. Step 3: Cross multiply
    7,168.41x = 9,890.01 × 4,336.65
  4. Step 4: Simplify right side
    7,168.41x = 42,889,511.87
  5. Step 5: Solve for x
    x = 42,889,511.87/7,168.41
  6. Step 6: Final answer
    x = 5,983.13

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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.