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Finding the Fourth Proportional to 8,644.14, 11,928.98 and 4,866.57

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Solution

The fourth proportional to 8,644.14, 11,928.98 and 4,866.57 is: 6,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.14 : 11,928.98 = 4,866.57 : x
  2. Step 2: Convert to fraction form
    8,644.14/11,928.98 = 4,866.57/x
  3. Step 3: Cross multiply
    8,644.14x = 11,928.98 × 4,866.57
  4. Step 4: Simplify right side
    8,644.14x = 58,053,228.37
  5. Step 5: Solve for x
    x = 58,053,228.37/8,644.14
  6. Step 6: Final answer
    x = 6,715.91

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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.