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Finding the Fourth Proportional to 21,827.44, 32,745.71 and 7,037.85

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Solution

The fourth proportional to 21,827.44, 32,745.71 and 7,037.85 is: 10,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.44 : 32,745.71 = 7,037.85 : x
  2. Step 2: Convert to fraction form
    21,827.44/32,745.71 = 7,037.85/x
  3. Step 3: Cross multiply
    21,827.44x = 32,745.71 × 7,037.85
  4. Step 4: Simplify right side
    21,827.44x = 230,459,395.12
  5. Step 5: Solve for x
    x = 230,459,395.12/21,827.44
  6. Step 6: Final answer
    x = 10,558.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.