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Finding the Fourth Proportional to 10,644.76, 14,689.58 and 5,928.94

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Solution

The fourth proportional to 10,644.76, 14,689.58 and 5,928.94 is: 8,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.76 : 14,689.58 = 5,928.94 : x
  2. Step 2: Convert to fraction form
    10,644.76/14,689.58 = 5,928.94/x
  3. Step 3: Cross multiply
    10,644.76x = 14,689.58 × 5,928.94
  4. Step 4: Simplify right side
    10,644.76x = 87,093,572.08
  5. Step 5: Solve for x
    x = 87,093,572.08/10,644.76
  6. Step 6: Final answer
    x = 8,181.83

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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.